Note 5 - Common Stock (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	May 24, 2022
Common Stock, Shares Authorized (in shares)	47,000,000	47,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Dividends, Common Stock, Cash	$ 0
The 2022 Stock Repurchase Program [Member]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)			500,000