v3.22.2.2
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Jun. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 14, 2020
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001 $ 0.0001  
Common stock, shares authorized (in shares) 115,000,000 115,000,000 115,000,000  
Common stock, shares issued (in shares) 15,133,286 14,433,286 9,231,737  
Common stock, shares outstanding (in shares) 15,133,286 14,433,286 9,231,737 9,231,737