Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Contract with Customer, Liability, Revenue Recognized	$ 42,787	$ 884
Contract with Customer, Liability, Current	$ 91,232	$ 91,232	$ 123,451
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer A [Member]
Concentration Risk, Percentage		32.00%	17.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Concentration Risk, Percentage		15.00%	16.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer C [Member]
Concentration Risk, Percentage		19.00%	29.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer D [Member]
Concentration Risk, Percentage		16.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer E [Member]
Concentration Risk, Percentage		13.00%	22.00%