Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Accounts Receivable, Allowance for Credit Loss, Current	$ 319,000
Capitalized Computer Software, Additions	634,571	$ 584,246
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	826,528	755,494
Advertising Expense	$ 16,500	94,000
Goodwill, Amortization Period (Year)	15 years
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 280,619	$ 262,530
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	4.00%
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	80.00%