Note 7 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets, Net	$ 1,101
Deferred Income Tax Liabilities, Net		$ 472
Deferred Tax Assets, Valuation Allowance	517	517
Unrecognized Tax Benefits, Ending Balance	0	0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	0	0
Unrecognized Tax Benefits, Interest on Income Taxes Expense	$ 0	$ 0