Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Stockholders' Equity - Stock-based Compensation Expense for Stock Options and Warrants (Details)

v3.22.2.2
Note 8 - Stockholders' Equity - Stock-based Compensation Expense for Stock Options and Warrants (Details) - Stock Options and Warrants [Member] - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share-based compensation expense $ 463,818 $ 154,432 $ 671,421 $ 314,359
General and Administrative Expense [Member]        
Share-based compensation expense 377,415 79,758 505,661 163,888
Selling and Marketing Expense [Member]        
Share-based compensation expense 22,344 31,068 35,211 63,813
Research and Development Expense [Member]        
Share-based compensation expense $ 64,059 $ 43,606 $ 130,549 $ 86,658