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Note 7 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued expenses	$ 31	$ 32
Net operating loss carryover	9,317	8,760
Goodwill and other intangibles	74	439
Deferred compensation	57	122
Depreciation	112	64
Deferred revenue	22	25
Lease liability	1,222	205
Interest expense	88	0
Other carryovers and credits	2	2
Total deferred tax assets	10,925	9,649
Prepaid expenses	(9)	(7)
Right-of-use asset	(1,219)	(189)
Total deferred tax liabilities	(1,228)	(196)
Valuation Allowance	(9,697)	(9,453)
Net deferred tax asset (liability)	$ 0	$ 0

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