Note 12 - Leases (Details Textual) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Number of Operating Leases	7
Finance Lease, Liability, Total	$ 0
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 5 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	4.55%
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Month)	2 months
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Month)	4 years