Annual report pursuant to Section 13 and 15(d)

Note 13 - Equity Instruments - Outstanding Warrants (Details)

v3.22.1
Note 13 - Equity Instruments - Outstanding Warrants (Details)
Dec. 31, 2021
$ / shares
shares
Exercise Price (in dollars per share) | $ / shares $ 17.97 [1]
Number of Warrants (in shares) | shares 972,324
Series HH Warrants [Member]  
Exercise Price (in dollars per share) | $ / shares $ 49.80
Number of Warrants (in shares) | shares 15,060
Series LL Warrants [Member]  
Exercise Price (in dollars per share) | $ / shares $ 0.20
Number of Warrants (in shares) | shares 218,264
Series NN Warrants [Member]  
Exercise Price (in dollars per share) | $ / shares $ 30.00
Number of Warrants (in shares) | shares 550,000
Series OO Warrants [Member]  
Exercise Price (in dollars per share) | $ / shares $ 0.9375
Number of Warrants (in shares) | shares 189,000
[1] Weighted average exercise price.