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Note 6 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accrued expenses	$ 201	$ 31
Net operating loss carryover	9,105	9,317
Goodwill and other intangibles	59	74
Deferred compensation	51	57
Depreciation	110	112
Deferred revenue	6	22
Lease liability	1,081	1,222
Interest expense	196	88
Other carryovers and credits	2	2
Total deferred tax assets	10,811	10,925
Prepaid expenses	(14)	(9)
Right-of-use asset	(1,068)	(1,219)
Total deferred tax liabilities	(1,082)	(1,228)
Valuation Allowance	(9,729)	(9,697)
Net deferred tax asset (liability)	$ 0	$ 0

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