Note 12 - Other Equity Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Jan. 25, 2024	Nov. 06, 2023	Dec. 31, 2024	Dec. 31, 2023
Treasury Stock, Shares, Acquired (in shares)	52,000
Treasury Stock, Value, Acquired, Cost Method	$ 650		$ 651
Treasury Stock, Common, Shares (in shares)	342,080		342,080	290,080
Stock Issued During Period, Value, New Issues				$ 1,063
East West Warrants [Member]
Warrants and Rights Outstanding, Term (Year)		5 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		135,300
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 15
Proceeds from Issuance of Warrants, Gross		$ 1,000
Proceeds from Issuance of Warrants, Reduction From Extinguishment of Accounts Payable		950
Proceeds from Issuance of Warrants, Reduction for Obsolete Inventory		$ 50
Stock Purchase Agreement With East West Manufacturing, LLC [Member]
Stock Issued During Period, Shares, New Issues (in shares)		77,520
Stock Issued During Period, Value, New Issues		$ 1,000
Shares Issued, Price Per Share (in dollars per share)		$ 12.9
FG Holdings LLC. [Member]
Realized Investment Gains (Losses)	$ (91)