Note 18 - Credit Losses - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Receivables, gross	$ 47,237	$ 28,869
Receivables, allowance	(4,461)	(3,312)
Receivables, net	42,776	25,557
Long-term contract receivable, gross	29,984	32,497
Long-term contract receivable, allowance	(1,038)	(1,126)
Long-term contract receivable, net	28,946	31,371
Total, gross	77,221	61,366
Total, allowance	(5,499)	(4,438)
Total, net	$ 71,722	$ 56,928