Note 5 - Debt (Details Textual) - USD ($)	Feb. 17, 2021	Mar. 31, 2022	Dec. 31, 2021	Feb. 19, 2021	Jun. 24, 2020	Apr. 30, 2020
Factoring Agreement, Advance Amount, Percentage of Accounts Receivable		85.00%
Factoring Agreement, Factoring Fee, First Thirty Days, Percentage of Invoice Face Value		0.98%
Factoring Agreement, Factoring Fee, After Thirty Days, Percentage of Invoice Face Value		0.0327%
Factoring Agreement, Minimum Invoice Fee		$ 1.50
Short-term Debt, Total		0
Factoring Agreement [Member]
Debt Instrument, Face Amount		2,000,000.0
SBA, Economic Injury Disaster Loan (EIDL) [Member]
Debt Instrument, Face Amount					$ 150,000
Long-term Debt, Gross		149,900
Interest Payable		$ 10,648
Paycheck Protection Program CARES Act [Member]
Debt Instrument, Face Amount						$ 535,800
Long-term Debt, Gross			$ 535,800
Interest Payable			$ 3,611
Debt Instrument, Decrease, Forgiveness	$ 535,800
The 2021 Paycheck Protection Program Cares Act [Member]
Debt Instrument, Face Amount				$ 833,300