Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Narrative) (Details)

v3.21.2
Stockholders' Equity (Narrative) (Details)
1 Months Ended 12 Months Ended 33 Months Ended
Feb. 22, 2021
USD ($)
$ / shares
shares
Jun. 26, 2020
USD ($)
shares
Dec. 29, 2017
USD ($)
Jun. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
shares
item / shares
$ / shares
Sep. 30, 2020
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
shares
Oct. 31, 2016
shares
Class of Stock [Line Items]                
Common Stock Voting Rights Per Share | item / shares         1      
Shelf Regsitration Statement Capacity | $       $ 150,000,000 $ 16,100,000      
Preferred stock, issued         0 0 0  
Preferred stock, outstanding         0 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         79,969,748 69,863,681 69,863,681  
Value of shares issued for services | $         $ 107,962,298 $ 680,937    
Common Stock, Shares Authorized         154,000,000 154,000,000 154,000,000  
Common Stock, Par or Stated Value Per Share | $ / shares         $ 0.01 $ 0.01 $ 0.01  
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      
Adjustments to Additional Paid in Capital, Other | $   $ 153,000            
Aspire Capital Purchase Agreement, 2017 [Member]                
Class of Stock [Line Items]                
Shares issued         2,497,333   6,214,343  
Proceeds from sale of shares in public offering, net of fees | $         $ 8,400,000   $ 15,000,000.0  
Stock purchase agreement, term     36 months          
Stock purchase agreement, aggregate amount of stock purchase authorized | $     $ 15,000,000.0          
Shares issued in connection with public offering of common stock, net of fees and costs           304,457    
Value of shares issued for services | $           $ 347,000    
Related expenses | $           78,000    
Deferred costs | $           $ 425,000 $ 425,000  
Adjustments to Additional Paid in Capital, Other | $         $ 238,000      
Financial Advisor Warrant [Member]                
Class of Stock [Line Items]                
Shares issued           109,143    
Warrant to purchase common stock shares         2,326,841     2,585,379
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      
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right           258,538 258,538  
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 0  
Preferred stock, outstanding         0 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 0  
Preferred stock, outstanding         0 0 0