Note 4 - Allowance for Credit Losses - Schedule for Allowance for Credit Losses on Financing Receivables (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Write offs	$ (1,484)
Trade Accounts Receivable [Member]
Balance	14,060
Current period provision for expected credit losses	125
Other	(61)
Balance	$ 12,640