Note 16 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Jun. 27, 2021
Dividends, Common Stock, Cash	$ 0	$ 0
New Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount, Increase			$ 4,200
Stock Repurchase Program, Authorized Amount			$ 6,000
Stock Repurchased During Period, Shares (in shares)	217,400	87,249
Stock Repurchased During Period, Value	$ 4,600	$ 1,500
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 4,100

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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