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Stockholders' Equity - Common Stock (Details) - USD ($)
1 Months Ended 2 Months Ended 12 Months Ended
Mar. 26, 2021
Sep. 11, 2017
Dec. 31, 2022
Nov. 30, 2021
Feb. 28, 2021
Nov. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Mar. 24, 2021
Mar. 23, 2021
Stockholders' Equity                    
Shares of common stock issuable upon exercise of warrants             6,812,794      
Proceeds from issuance of stock             $ 62,307,307 $ 46,301,841    
Common stock, shares authorized             325,000,000 325,000,000 325,000,000 200,000,000
Common stock warrants                    
Stockholders' Equity                    
Shares of common stock issuable upon exercise of warrants               3,642,138    
Proceeds from issuance of stock               $ 3,593,380    
Exercise price per share               $ 0.9866    
Underwritten Public Offering                    
Stockholders' Equity                    
Number of share issued       46,000,000 38,593,767          
Shares of common stock issuable upon exercise of warrants       2,100,000 2,116,364          
Shares issued price (in dollars per share)       $ 1.25 $ 1.00          
Proceeds from issuance of stock       $ 54,000,000.0 $ 35,500,000          
Exercise price per share       $ 1.5625 $ 1.25          
Warrants exercise term       5 years 5 years          
Underwritten Public Offering | GMS Ventures & Investments                    
Stockholders' Equity                    
Number of share issued       16,000,000 8,360,000          
Private Placement                    
Stockholders' Equity                    
Number of share issued         3,000,000          
Shares issued price (in dollars per share)         $ 1.00          
Proceeds from issuance of stock         $ 3,000,000.0          
Private Placement | GMS Ventures & Investments                    
Stockholders' Equity                    
Number of share issued   1,013,627                
Shares issued price (in dollars per share)   $ 1.00                
Proceeds from issuance of stock   $ 1,000,000.0                
Direct registered offering                    
Stockholders' Equity                    
Number of share issued     28,460,831              
Shares issued price (in dollars per share)     $ 0.8784              
Proceeds from issuance of stock     $ 24,000,000.0              
Direct registered offering | GMS Ventures & Investments                    
Stockholders' Equity                    
Number of share issued     14,230,418              
Direct registered offering | M.S. Howells & Co                    
Stockholders' Equity                    
Shares of common stock issuable upon exercise of warrants     515,755              
Exercise price per share     $ 1.05              
Warrants exercise term     3 years              
ATM Offering                    
Stockholders' Equity                    
Number of share issued           895,391 4,808,269 2,855,190    
Proceeds from issuance of stock           $ 1,100,000 $ 8,600,000 $ 7,200,000    
Aggregate offering price $ 40,000,000.0                  
Amount reclassified on additional paid in capital $ 197,654                  
Deferred costs             119,422      
Percentage of commission on sale of common stock 3.00%                  
Payment of fees to sales agent             $ 300,000 $ 200,000