Note 7 - Income Taxes - Summary of Deferred Tax Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Net operating loss carryforward	$ 1,063	$ 103
Foreign tax credits	483	483
Accrued expenses	396	549
Allowance for doubtful accounts	78	85
Lease liability	146	422
Share-based compensation	49	384
Other intangible assets	30	36
Interest expense limitation	23	11
Less: Valuation allowance	(1,486)	(340)
Total deferred income tax asset	782	1,733
Property and equipment	(159)	(393)
Right of use asset	(136)	(391)
Intangible assets-brand name	(1,197)	(1,079)
Goodwill	(288)	(257)
Other intangible assets	(451)	(338)
Total deferred income tax liability	(2,231)	(2,458)
Net deferred tax liability	$ (1,449)	$ (725)