| **Business Segments (Details) (USD $)In Thousands, unless otherwise specified** | 3 Months Ended | 9 Months Ended |
|---------------------------------------------------------------------------------|----------------|----------------|
||
| **Revenue:**                                                                    |           |           |   |   |
| Products                                                                        | $ 40,210       | $ 25,725       | $ 89,262 | $ 80,387 |
| Support, maintenance and subscription services                                  | 19,405         | 18,275         | 57,347 | 53,704 |
| Professional services                                                           | 7,596          | 7,582          | 26,494 | 22,767 |
| Gross profit                                                                    | 23,449         | 19,933         | 65,908 | 59,020 |
| Operating income (loss)                                                         | 811            | (7,049)        | (1,278) | (21,241) |
| **Other Charges:**                                                              |           |           |   |   |
| Asset impairments and related charges                                           | 0              | 0              | 208 | 0 |
| Restructuring, severance and other charges                                      | (31)           | 4,556          | 1,524 | 10,590 |
| HSG [Member]                                                                    |           |           |   |   |
| **Revenue:**                                                                    |           |           |   |   |
| Products                                                                        | 12,251         | 6,618          | 26,087 | 18,399 |
| Support, maintenance and subscription services                                  | 12,461         | 12,243         | 37,817 | 35,291 |
| Professional services                                                           | 3,478          | 2,819          | 10,907 | 9,800 |
| Elimination of intersegment sales                                               | 0              | 0              | 30 | 0 |
| Revenue from external customers                                                 | 28,190         | 21,680         | 74,781 | 63,490 |
| Gross profit                                                                    | 16,168         | 13,957         | 46,690 | 40,187 |
| Gross profit margin                                                             | 57.40%         | 64.40%         | 62.40% | 63.30% |
| Operating income (loss)                                                         | 3,998          | 1,864          | 10,254 | 2,075 |
| Interest expense, net                                                           | 0              | 0              | 0 | 0 |
| Other income, net                                                               | 0              | 0              | 0 | 0 |
| Income (loss) from continuing operations before income taxes                    | 3,998          | 1,864          | 10,254 | 2,075 |
| **Other Charges:**                                                              |           |           |   |   |
| Depreciation and amortization                                                   | 665            | 693            | 1,989 | 1,931 |
| Asset impairments and related charges                                           |           |           | 208 |   |
| Restructuring, severance and other charges                                      | 6              | 11             | 921 | 817 |
| RSG [Member]                                                                    |           |           |   |   |
| **Revenue:**                                                                    |           |           |   |   |
| Products                                                                        | 27,959         | 19,107         | 63,175 | 61,988 |
| Support, maintenance and subscription services                                  | 7,171          | 6,257          | 20,237 | 19,033 |
| Professional services                                                           | 4,128          | 4,763          | 15,622 | 12,967 |
| Elimination of intersegment sales                                               | 237            | 225            | 712 | 620 |
| Revenue from external customers                                                 | 39,021         | 29,902         | 98,322 | 93,368 |
| Gross profit                                                                    | 7,281          | 5,976          | 19,218 | 18,833 |
| Gross profit margin                                                             | 18.70%         | 20.00%         | 19.50% | 20.20% |
| Operating income (loss)                                                         | 3,020          | 1,439          | 6,862 | 5,169 |
| Interest expense, net                                                           | 0              | 0              | 0 | 0 |
| Other income, net                                                               | 0              | 0              | 0 | 0 |
| Income (loss) from continuing operations before income taxes                    | 3,020          | 1,439          | 6,862 | 5,169 |
| **Other Charges:**                                                              |           |           |   |   |
| Depreciation and amortization                                                   | 150            | 153            | 461 | 457 |
| Asset impairments and related charges                                           |           |           | 0 |   |
| Restructuring, severance and other charges                                      | 0              | 16             | 0 | 381 |
| Corporate/Other [Member]                                                        |           |           |   |   |
| **Revenue:**                                                                    |           |           |   |   |
| Products                                                                        | 0              | 0              | 0 | 0 |
| Support, maintenance and subscription services                                  | 0              | 0              | 0 | 0 |
| Professional services                                                           | 0              | 0              | 0 | 0 |
| Elimination of intersegment sales                                               | 0              | 0              | 0 | 0 |
| Revenue from external customers                                                 | 0              | 0              | 0 | 0 |
| Gross profit                                                                    | 0              | 0              | 0 |   |
| Operating income (loss)                                                         | (6,207)        | (10,352)       | (18,394) | (28,485) |
| Interest expense, net                                                           | 56             | 56             | 217 | 883 |
| Other income, net                                                               | 220            | 22             | 202 | 293 |
| Income (loss) from continuing operations before income taxes                    | (6,483)        | (10,430)       | (18,813) | (29,661) |
| **Other Charges:**                                                              |           |           |   |   |
| Depreciation and amortization                                                   | 650            | 1,131          | 2,128 | 3,571 |
| Asset impairments and related charges                                           |           |           | 0 |   |
| Restructuring, severance and other charges                                      | (37)           | 4,529          | 603 | 9,392 |
| Consolidated Entities [Member]                                                  |           |           |   |   |
| **Revenue:**                                                                    |           |           |   |   |
| Products                                                                        | 40,210         | 25,725         | 89,262 | 80,387 |
| Support, maintenance and subscription services                                  | 19,632         | 18,500         | 58,054 | 54,324 |
| Professional services                                                           | 7,606          | 7,582          | 26,529 | 22,767 |
| Elimination of intersegment sales                                               | 237            | 225            | 742 | 620 |
| Revenue from external customers                                                 | 67,211         | 51,582         | 173,103 | 156,858 |
| Gross profit                                                                    | 23,449         | 19,933         | 65,908 | 59,020 |
| Gross profit margin                                                             | 34.90%         | 38.60%         | 38.10% | 37.60% |
| Operating income (loss)                                                         | 811            | (7,049)        | (1,278) | (21,241) |
| Interest expense, net                                                           | 56             | 56             | 217 | 883 |
| Other income, net                                                               | 220            | 22             | 202 | 293 |
| Income (loss) from continuing operations before income taxes                    | 535            | (7,127)        | (1,697) | (22,417) |
| **Other Charges:**                                                              |           |           |   |   |
| Depreciation and amortization                                                   | 1,465          | 1,977          | 4,578 | 5,959 |
| Asset impairments and related charges                                           |           |           | 208 |   |
| Restructuring, severance and other charges                                      | $ (31)         | $ 4,556        | $ 1,524 | $ 10,590 |

| X                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Gross margin in percentage.
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Restructuring, severance and other charges
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Support maintenance and subscription revenue.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.
+ References
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| - Definition
The net amount of operating interest income (expense).
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| - Definition
The net result for the period of deducting operating expenses from operating revenues.
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| - Definition
The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.
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| - Definition
Amount of revenue from transactions with other operating segments of the same entity.
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| - Definition
Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.
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| - Definition
Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.
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