v3.22.2.2
Note 4 - Intangible Assets (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Finite-Lived Intangible Asset, Useful Life (Year) 5 years  
Amortization of Intangible Assets $ 54,000 $ 54,000