Note 13 - Leases (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Jun. 30, 2021
Operating Lease, Right-of-Use Asset	$ 2,872,000	$ 2,872,000
Operating Lease, Liability, Total	2,926,000	2,926,000
Finance Lease, Liability, Total			$ 0
Operating Lease, Expense	$ 265,000	$ 769,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years 3 months 7 days	3 years 3 months 7 days
Operating Lease, Weighted Average Discount Rate, Percent	4.07%	4.07%