Note 16 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net operating loss carryforwards	$ 29,102	$ 27,500
Stock-based compensation	3,207	2,066
Accruals and reserves	3,724	3,402
Inventory	425	236
Lease liabilities	3,653	4,198
Tax credit carryforward	1,423	594
Capitalized research and development	2,405	0
Other	445	318
Total deferred tax assets	44,384	38,314
Intangibles	(6,150)	(35,241)
Right-of-use assets	(3,458)	(4,070)
Fair value change in investments	(447)	(294)
Fixed assets	(1,177)	(1,203)
Other	0	0
Total deferred tax liabilities	(11,232)	(40,808)
Net deferred tax (liabilities) assets before valuation allowance	33,152	(2,494)
Less: valuation allowance	(33,402)	(2,993)	$ (8,498)	$ (8,706)
Net deferred tax liabilities	$ (250)	$ (5,487)