Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Warrants issued and outstanding (Details)

v3.22.0.1
Stockholders' Equity - Warrants issued and outstanding (Details)
 3 Months Ended
Dec. 31, 2021
$ / shares
shares
Warrants [Roll Forward]  
Warrants, Outstanding at the beginning of the period | shares 895,939
Warrants, Expired | shares (20,627)
Warrants, Outstanding at the end of the period | shares 875,312
Warrants, Exercisable at the end of the period | shares 837,812
Weighted average exercise price, Outstanding at the beginning of the period | $ / shares $ 18.35
Weighted average exercise price, Expired | $ / shares 55.00
Weighted average exercise price, Outstanding at the end of the period | $ / shares 17.49
Weighted average exercise price, Exercisable at the end of the period | $ / shares $ 17.98
Weighted average remaining contractual term, Outstanding at the end of the period 7 months 6 days
Weighted average remaining contractual term, Exercisable at the end of the period 6 months
April 10, 2022  
Warrants [Roll Forward]  
Exercise price of warrants (in dollars per share) | $ / shares $ 20.00
Warrants, Outstanding at the end of the period | shares 695,312
July 6, 2023  
Warrants [Roll Forward]  
Exercise price of warrants (in dollars per share) | $ / shares $ 8.73
Warrants, Outstanding at the end of the period | shares 105,000
September 20, 2024  
Warrants [Roll Forward]  
Exercise price of warrants (in dollars per share) | $ / shares $ 6.50
Warrants, Outstanding at the end of the period | shares 75,000