Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)		12 Months Ended
	Jan. 01, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Tax Assets, Operating Loss Carryforwards, Total		$ 4,144,000	$ 3,541,000
Accounts Receivable, Allowance for Credit Loss, Ending Balance		564,000	563,000
Deferred Tax Assets, Net of Valuation Allowance, Total		6,097,000	6,023,000
Income Taxes Paid, Net, Total			1,200,000
Accounts Receivable, Credit Loss Expense (Reversal)		128,000	330,000
Depreciation, Amortization and Accretion, Net, Total		2,100,000
Goodwill, Impairment Loss				$ 0
Goodwill, Ending Balance		4,166,000	3,760,000	$ 3,784,000
Share-based Payment Arrangement, Expense		711,000	136,000
Resource Plus, Inc [Member]
Goodwill, Ending Balance		$ 1,962
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		3 years
Capitalized Software Costs [Member]
Capitalized Computer Software, Gross		$ 1,200,000	1,000,000.0
Capitalized Computer Software, Amortization		$ 1,200,000	1,200,000
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Minimum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Minimum [Member] | Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Minimum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		7 years
Maximum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)		7 years
Maximum [Member] | Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life (Year)		5 years
Maximum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)		15 years
Previously Reported [Member]
Income Taxes Paid, Net, Total			184,000
Revision of Prior Period, Adjustment [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Total	$ 2,400,000
Accounts Receivable, Allowance for Credit Loss, Ending Balance	600,000
Deferred Tax Assets, Net of Valuation Allowance, Total	(2,300,000)		(2,300,000)
Deferred Tax Liabilities, Net, Total	(2,300,000)		2,300,000
Foreign Tax Authority [Member] | Previously Reported [Member]
Income (Loss) Attributable to Parent, before Tax, Total	(615,000)
Foreign Tax Authority [Member] | Revision of Prior Period, Adjustment [Member]
Deferred Tax Assets, Net of Valuation Allowance, Total	(3,000,000.0)		$ (3,000,000.0)
Domestic Tax Authority [Member]
Income (Loss) Attributable to Parent, before Tax, Total	$ (615,000)