Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Incremental Costs of Obtaining a Contract, Deferred During Period	$ 2,100,000	$ 1,200,000	$ 395,000
Capitalized Contract Cost, Net, Noncurrent	2,498,000	1,562,000
Capitalized Contract Cost, Impairment Loss	7,000	57,000	41,000
Capitalized Computer Software, Additions	2,800,000	3,700,000	4,300,000
Asset Impairment Charges	0	0	0
Impairment of Intangible Assets (Excluding Goodwill)	0	0	0
Goodwill, Impairment Loss	0	0	0
Income Tax Credits and Adjustments	0	10,000	2,000
Cash Equivalents, at Carrying Value	4,100,000	4,200,000
Operating Lease, Impairment Loss	0	0	0
Excess Loss Coverage Per Person	150,000
Claims Loss Coverage, Minimum Aggregate Deductible	5,800,000	5,500,000	$ 5,400,000
Self Insurance Reserve, Current	$ 466,000	$ 364,000
Common Class A [Member]
Stock Options Excluded from Computation of Earnings Per Share, Amount	405,790	401,489	263,909
Nobl Inc [Member]
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	$ 1,000,000
Minimum [Member]
Capitalized Contract Cost, Amortization Period	3 years
Minimum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life	2 years
Minimum [Member] | Computer Equipment [Member]
Property, Plant and Equipment, Useful Life	3 years
Minimum [Member] | Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life	1 year
Minimum [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life	7 years
Maximum [Member]
Capitalized Contract Cost, Amortization Period	5 years
Maximum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] | Computer Equipment [Member]
Property, Plant and Equipment, Useful Life	5 years
Maximum [Member] | Software and Software Development Costs [Member]
Property, Plant and Equipment, Useful Life	5 years
Maximum [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life	40 years