Note 5 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Assets, Operating Loss Carryforwards, Total	$ 4,144	$ 3,541
Federal Research and Development Credit	240	240
Deferred revenue	330
Accrued payroll	217
Payroll taxes payable	100	457
Outside basis in domestic partnership	92	92
Allowance for doubtful accounts and other receivable	93	98
Share-based compensation expense	407	434
Depreciation	156	16
Lease liabilities	453	782
Other	343	315
Valuation allowance	(478)	(397)
Total deferred tax assets	6,097	6,023
Goodwill & Intangible assets of subsidiaries	700	558
Capitalized software development costs	476	482
Right To use assets	453	782
Total deferred tax liabilities	1,629	1,822
Net deferred taxes	$ 4,468	$ 4,201