Note 7 - Equity (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended	3 Months Ended
	Mar. 17, 2023	Feb. 28, 2021	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Common Stock, Shares Authorized (in shares)			60,000		60,000
Common Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.01		$ 0.01
Common Stock, Shares, Issued (in shares)			4,446		4,507
Treasury Stock, Common, Shares (in shares)			0
Shares Forfeited During Period, Shares (in shares)			61,200
Shares Forfeited During Period, Value			$ 0
Share Price (in dollars per share)			$ 16.75
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value			$ 5,231
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount			$ 143
Class of Warrant or Right, Outstanding (in shares)			143		143
Warrants and Rights Outstanding			$ 2,238
Class of Warrant or Right, Issued During Period (in shares)			0
Class of Warrant or Right, Expired During Period (in shares)			0
Share Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount	$ 5,000		$ 5,000
Stock Repurchase Program Expiration Period (Month)	24 months
Treasury Stock, Shares, Acquired (in shares)			0
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense			$ 17	$ 12
Chief Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		160
Share-Based Payment Arrangement, Expense			25	$ 95
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 6