Note 12 - Leases (Details Textual) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Operating Lease, Right-of-Use Asset	$ 2,191,000	$ 2,191,000	$ 2,648,000
Operating Lease, Liability, Total	2,243,000	2,243,000
Finance Lease, Liability, Total	0	0
Operating Lease, Expense	$ 308,000	$ 626,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 10 months 20 days	2 years 10 months 20 days
Operating Lease, Weighted Average Discount Rate, Percent	4.07%	4.07%