Note 9 - Income Taxes - Deferred Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Inventory	$ 2,231	$ 1,629
Net operating loss carryforwards	1,153	1,348
Tax credit carryforwards	1,033	1,019
Capital loss carryforwards	492	521
Reserves and accruals	712	994
Operating lease liabilities	3,562	3,664
Intangible assets	4,426	4,386
Stock options	440	359
Other	140	105
Total deferred tax assets	14,189	14,025
Deferred tax liabilities:
Property and equipment	(1,713)	(1,831)
Goodwill	(4,825)	(4,055)
Operating lease right-of-use assets	(3,355)	(3,503)
Foreign branch deferred offset	(843)	(954)
Other	(213)	(299)
Total deferred tax liabilities	(10,949)	(10,642)
Net deferred tax assets before valuation allowance	3,240	3,383
Valuation allowance	(1,744)	(1,824)
Net deferred tax liabiltity	1,496	1,559
Deferred tax classification
Deferred tax assets	1,566	1,686
Long-term deferred tax liability	(70)	(127)
Net long-term deferred tax asset	$ (1,496)	$ (1,559)