Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Contract with Customer, Liability, Current	$ 17,647	$ 66,572	$ 123,529
Accounts Receivable, Allowance for Credit Loss, Current	319,000	205,522
Capitalized Computer Software, Additions	735,813	759,923
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance	623,494	515,199
Advertising Expense	$ 179,000	59,000
Goodwill, Amortization Period (Year)	15 years
Operating Loss Carryforwards, Total	$ 29,455,176
Deferred Tax Assets, Net of Valuation Allowance, Total	1,500,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	110,000
Defined Contribution Plan, Employer Discretionary Contribution Amount	212,870	152,835
Accounts Receivable, Credit Loss Expense (Reversal)	$ 151,951	96,000
Revision of Prior Period, Reclassification, Adjustment [Member]
Accounts Receivable, Credit Loss Expense (Reversal)		96,000
Federal Income Tax Expense (Benefit), Continuing Operations, Total		94,948
Previously Reported [Member]
Accounts Receivable, after Allowance for Credit Loss, Total		$ 96,000
First 3% Matched [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	3.00%
Over 3% Matched [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	3.00%
Maximum Matched [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member]
Number of Major Customers	0	0
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	1.00%
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	15.00%