Note 4 - Intangible Assets -Schedule of Intangible Assets (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Weighted-average amortization period (Year)	3 years
Cost, net of impairment	$ 24,700	$ 1,166,824
Accumulated amortization	11,538	998,712
Intangible assets, net	$ 13,162	168,112
Technology-Based Intangible Assets [Member]
Weighted-average amortization period (Year)	5 years
Cost, net of impairment	$ 24,700	808,700
Accumulated amortization	11,538	790,588
Intangible assets, net	$ 13,162	$ 18,112
Technology-Based Intangible Assets [Member] | Minimum [Member]
Weighted-average amortization period (Year)		3 years
Technology-Based Intangible Assets [Member] | Maximum [Member]
Weighted-average amortization period (Year)		5 years
Customer Relationships [Member]
Cost, net of impairment		$ 208,124
Accumulated amortization		208,124
Intangible assets, net		$ 0
Customer Relationships [Member] | Minimum [Member]
Weighted-average amortization period (Year)		5 years
Customer Relationships [Member] | Maximum [Member]
Weighted-average amortization period (Year)		10 years
Software Development Costs [Member]
Weighted-average amortization period (Year)	5 years
Cost, net of impairment		$ 150,000
Intangible assets, net		$ 150,000