Note 12 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Amortization of right-of-use assets	$ 119		$ 47
Interest on lease liabilities	11		3
Operating lease cost	366		291
Short-term lease cost	74		16
Variable lease cost	15		2
Total lease cost	585		359
Operating cash flows from finance leases	11		3
Operating cash flows from operating leases (Fixed payments)	303		269
Operating cash flows from operating leases (Liability reduction)	152		147
Financing cash flows from finance leases	116	$ 47	47
Right-of-use assets obtained in exchange for new finance lease liabilities	0		0
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 0		$ 0
Weighted-average remaining lease term - finance leases (in years) (Year)	6 years 9 months 25 days		2 years 7 months 24 days
Weighted average remaining lease term - operating leases (in years) (Year)	21 years 29 days		20 years 11 months 8 days
Weighted-average discount rate - finance leases	1.75%		2.48%
Weighted-average discount rate - operating leases	3.39%		3.57%