Note 7 - Income Taxes - Summary of Deferred Tax Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Net operating loss carryforward	$ 293	$ 1,063
Foreign tax credits	495	483
Accrued expenses	552	396
Allowance for doubtful accounts	78	78
Lease liability	493	146
Share-based compensation	66	49
Other intangible assets	20	30
Interest expense limitation	0	23
Less: Valuation allowance	(1,494)	(1,486)
Total deferred income tax asset	503	782
Property and equipment	(39)	(159)
Right of use asset	(469)	(136)
Intangible assets-brand name	(1,183)	(1,197)
Goodwill	(340)	(288)
Other intangible assets	(520)	(451)
Total deferred income tax liability	(2,551)	(2,231)
Deferred income tax, net	$ (2,048)	$ (1,449)