Note 11 - Leases (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating Lease, Right-of-Use Asset	$ 1,725,000	$ 2,648,000
Operating Lease, Liability, Total	1,774,000
Finance Lease, Liability, Total	0
Operating Lease, Expense	$ 1,283,000	$ 1,199,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 29 days
Operating Lease, Weighted Average Discount Rate, Percent	4.17%