| **Note 8 - Business Combinations (Details) (USD $)**                                                                 | 3 Months Ended |           | 3 Months Ended | 1 Months Ended |              |           |
|----------------------------------------------------------------------------------------------------------------------|----------------|-----------|----------------|----------------|--------------|-----------|
||
| **Note 8 - Business Combinations (Details) [Line Items]**                                                            |           |      |           |           |         |      |   |   |
| Business Combination, Consideration Transferred                                                                      |           |      |           |           | $ 24,600,000 | $ 500,000 |   |   |
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)                               |           |      |           |           | 12,200,000   |      |   |   |
| Business Acquisition, Equity Interest Issued or Issuable, Value Assigned                                             |           | 7,500,000 |           |           | 16,600,000   |      |   |   |
| Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | 2,556,000      |      | 2,600,000      |           |         |      |   |   |
| Business Combination, Contingent Consideration, Liability                                                            |           |      | $ 8,300,000    |           |         |      | $ 8,328,000 | $ 12,260,000 |
| Stock Issued During Period, Shares, Other (in Shares)                                                                |           |      |           | 2,772,598      |         |      |   |   |
| Share Price (in Dollars per share)                                                                                   |           |      |           | $ 2.34         |         |      |   |   |

| X                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of shares of equity interests issued or issuable to acquire entity.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of liability recognized arising from contingent consideration in a business combination.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Price of a single share of a number of saleable stocks of a company.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.
+ References
No definition available.
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