Note 12 - Employee Retention Credit (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Employee Retention Credit Benefits, CARES Act			$ 5,209
Proceeds from Employee Retention Credit, CARES Act	$ 2,559	$ 2,559
Employee Retention Credit Receivable	$ 2,650	$ 2,650	5,209
Cost of Sales [Member]
Employee Retention Credit Benefits, CARES Act			4,670
Selling Expense [Member]
Employee Retention Credit Benefits, CARES Act			125
General and Administrative Expense [Member]
Employee Retention Credit Benefits, CARES Act			$ 414