Note 2 - Revenue from Contracts with Customers - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue, Amount	$ 3,419,580	$ 2,061,756
Services Time and Materials [Member]
Revenue, Amount	$ 1,966,129	$ 590,570
Services Time and Materials [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	57.50%	28.70%
Services Fixed Price [Member]
Revenue, Amount	$ 16,800	$ 123,405
Services Fixed Price [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	0.50%	6.00%
Services Combination [Member]
Revenue, Amount	$ 409,870	$ 82,408
Services Combination [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	12.00%	4.00%
Services Fixed Price per Unit [Member]
Revenue, Amount	$ 46,460	$ 48,020
Services Fixed Price per Unit [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	1.40%	2.30%
Third-Party Software [Member]
Revenue, Amount	$ 920,695	$ 1,004,305
Third-Party Software [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	26.90%	48.70%
Software Support and Maintenance [Member]
Revenue, Amount	$ 16,939	$ 212,568
Software Support and Maintenance [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	0.50%	10.30%
Incentive Payments [Member]
Revenue, Amount	$ 42,687	$ 480
Incentive Payments [Member] | Revenue Benchmark [Member] | Product Concentration Risk [Member]
Revenue, Percentage	1.20%	0.00%