Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Narrative) (Details)

v3.22.2.2
Stockholders' Equity (Narrative) (Details)
 1 Months Ended 12 Months Ended
Feb. 22, 2021
USD ($)
$ / shares
shares
Jun. 26, 2020
USD ($)
shares
Oct. 31, 2016
$ / shares
shares
Jun. 30, 2020
USD ($)
Sep. 30, 2022
USD ($)
shares
item / shares
$ / shares
Sep. 30, 2021
USD ($)
shares
Class of Stock [Line Items]            
Common stock voting rights per share | item / shares         1  
Shelf registration statement capacity | $       $ 150,000,000 $ 16,100,000  
Preferred stock, issued         0 0
Preferred stock, outstanding         0 0
Shares issued 7,419,354          
Stock issuance price | $ / shares $ 15.50          
Proceeds from sale of shares in public offering, net of fees | $ $ 108,000,000.0         $ 108,099,988
Common Stock, shares outstanding         80,508,894 79,969,748
Aspire Capital Purchase Agreement, 2020 [Member]            
Class of Stock [Line Items]            
Shares issued   1,644,737     0  
Stock issuance price | $ / shares         $ 0.50  
Proceeds from sale of shares in public offering, net of fees | $   $ 5,000,000        
Stock purchase agreement, term         36 months  
Stock purchase agreement, aggregate amount of stock purchase authorized | $   $ 23,900,000        
Maximum purchase of shares per business day         200,000  
Maximum VWAP percentage         30.00%  
General percentage of VWAP pursuant to notice         97.00%  
Remaining amount authorized | $         $ 18,900,000  
Shares issued in connection with public offering of common stock, net of fees and costs   212,130        
Value of shares issued for services | $   $ 681,000        
Related expenses | $   50,000        
Deferred costs | $   $ 731,000        
Unamortized deferred assets | $         $ 578,000 $ 578,000
Financial Advisor Warrant [Member]            
Class of Stock [Line Items]            
Warrant to purchase common stock shares     2,585,379     2,326,841
Warrant term     5 years      
Warrant exercise price | $ / shares     $ 1.93      
Warrants outstanding         0  
Issuance of shares pursuant to common stock purchase warrants           1,574,611
Preferred Class A [Member]            
Class of Stock [Line Items]            
Preferred stock, shares authorized         5,000,000  
Preferred stock, par or stated value per share (in Dollars per share) | $ / shares         $ 0.01  
Preferred stock, issued         0 0
Preferred stock, outstanding         0 0
Preferred Class A Series 1 [Member]            
Class of Stock [Line Items]            
Preferred stock, shares authorized         1,040,000  
Preferred Class A Series 2 [Member]            
Class of Stock [Line Items]            
Preferred stock, shares authorized         1,500,000  
Preferred Class A Series 3 [Member]            
Class of Stock [Line Items]            
Preferred stock, shares authorized         700,000  
Preferred Class A Series 4 [Member]            
Class of Stock [Line Items]            
Preferred stock, shares authorized         548,000  
Preferred Class B [Member]            
Class of Stock [Line Items]            
Preferred stock, shares authorized         15,000  
Preferred stock, par or stated value per share (in Dollars per share) | $ / shares         $ 0.50  
Preferred stock, issued         0 0
Preferred stock, outstanding         0 0