| **Supporting Financial Information - Other Current Assets (Details) (USD $)In Thousands, unless otherwise specified** | Sep. 30, 2014 | Jun. 30, 2014 | Sep. 30, 2013 |
|-----------------------------------------------------------------------------------------------------------------------|---------------|---------------|---------------|
| **Organization, Consolidation and Presentation of Financial Statements [Abstract]**                                   |          |          |          |
| Workers' compensation receivable                                                                                      | $ 199         | $ 199         | $ 358         |
| Prepaid insurance expense                                                                                             | 176           |          | 143           |
| Other prepaid expenses                                                                                                | 135           |          | 98            |
| Other current assets                                                                                                  | $ 510         |          | $ 599         |

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).
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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.
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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.
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Amount to be collected within one year of the balance sheet date (or one operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date.
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