Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Narrative) (Details)

v3.23.2
Stockholders' Equity (Narrative) (Details) - USD ($)
 1 Months Ended 2 Months Ended 3 Months Ended 9 Months Ended 34 Months Ended
May 12, 2023
May 02, 2023
Apr. 12, 2023
Jun. 26, 2020
Aug. 10, 2023
Jun. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Class of Stock [Line Items]                      
Shelf registration statement maximum capacity           $ 200,000,000 $ 200,000,000   $ 200,000,000    
Shelf registration statement remaining capacity           $ 23,000,000.0 $ 23,000,000.0   $ 23,000,000.0    
Preferred stock, issued           0 0   0   0
Preferred stock, outstanding           0 0   0   0
Proceeds from sale of shares                 $ 3,400,000    
Common Stock, shares outstanding           89,236,732 89,236,732   89,236,732   80,508,894
Value of shares issued for services             $ 1,008,000        
Deferred costs recorded in additional paid in capital             26,172 $ 78,677 $ 105,000    
Sale of shares under common stock purchase agreement               $ 2,571,551      
Maximum Share Purchase, Stock Price Range One [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, maximum purchase of shares per business day   275,000                  
Maximum Share Purchase, Stock Price Range Three [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, maximum purchase of shares per business day   2,500,000                  
Maximum Share Purchase, Stock Price Range Two [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, maximum purchase of shares per business day   2,000,000                  
Aspire Capital Purchase Agreement, 2020 [Member]                      
Class of Stock [Line Items]                      
Shares issued                 2,779,713 4,424,450  
Proceeds from sale of shares                 $ 3,426,991 $ 8,400,000  
Stock purchase agreement, term       36 months              
Stock purchase agreement, aggregate amount of stock purchase authorized       $ 23,900,000              
Stock purchase agreement, number of shares issued for initial fee       212,130              
Value of shares issued for services       $ 681,000              
Related expenses       50,000              
Stock issuance expenses                 $ 473,000    
Unamortized deferred assets                     $ 578,000
Stock issued during period, shares, new issues                 2,779,713 4,424,450  
Sale of shares under common stock purchase agreement             855,440        
Deferred costs, related expenses       $ 50,000              
Shares issued in connection with common stock purchase agreement (in Shares)       212,130              
Deferred costs       $ 731,000              
Stock Purchase Agreement With Frost Gamma Investment Trust (FGI) [Member]                      
Class of Stock [Line Items]                      
Shares issued     5,000,000                
Stock issuance price     $ 1.00                
Proceeds from sale of shares                 $ 4,969,045    
Stock issued during period, shares, new issues     5,000,000                
Stock issuance price     $ 1.00                
Sale of shares under common stock purchase agreement     $ 5,000,000       $ 4,969,045        
Net issuance costs     $ 31,000                
Lincoln Park Purchase Agreement [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, term   36 months                  
Stock purchase agreement, aggregate amount of stock purchase authorized   $ 100,000,000.0                  
Stock purchase agreement, maximum purchase of shares per business day   250,000                  
Stock purchase agreement, number of shares issued for initial fee   800,000                  
Related expenses   $ 57,000                  
Stock purchase agreement, maximum purchase of shares per regular purchase, amount   $ 225,000                  
Share price   $ 6.00                  
Stock purchase agreement, alternate stock price calculation, number of consecutive trading days used for stock price measurement   10 days                  
Stock purchase agreement, percentage of trading volume used to calculate maximum share purchase on day following initial purchase   30.00%                  
Stock purchase agreement, share purchase price as percentage of stock closing price or volume weighted average stock price on day following initial purchase   97.00%                  
Stock purchase agreement, aggregate amount of stock purchase authorized, shares   17,678,502                  
Stock purchase agreement, aggregate amount of stock purchase authorized, percentage of outstanding common stock   19.99%                  
Stock purchase agreement, average minimum share price threshold for determination of additional purchases   $ 1.26                  
Stock purchase agreement, shares issuable upon threshold for aggregate purchases, value   $ 1,000,000.0                  
Deferred costs, related expenses   57,000                  
Issue of shares of the company's common stock at the time Lincoln Park's purchases   1,000,000.0                  
Aggregate amount of cumulative purchases   $ 50,000,000.0                  
Shares issued in connection with common stock purchase agreement (in Shares)   800,000                  
Deferred costs   $ 1,100,000                  
Lincoln Park Purchase Agreement [Member] | Subsequent Event [Member]                      
Class of Stock [Line Items]                      
Proceeds from sale of shares         $ 1,200,000            
Stock purchase agreement, number of shares issued for initial fee         1,000,000            
Shares issued in connection with common stock purchase agreement (in Shares)         1,000,000            
Jefferies Sales Agreement [Member]                      
Class of Stock [Line Items]                      
Shares issued           0          
Stock purchase agreement, aggregate amount of stock purchase authorized $ 75,000,000                    
Remaining amount authorized 39,609,072                    
Stock issued during period, shares, new issues           0          
Deferred costs $ 207,000                    
Percentage commission of aggregate gross from sales of common stock 3.00%                    
Preferred Class A [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized           5,000,000 5,000,000   5,000,000   5,000,000
Preferred stock, par or stated value per share (in Dollars per share)           $ 0.01 $ 0.01   $ 0.01   $ 0.01
Preferred stock, issued           0 0   0   0
Preferred stock, outstanding           0 0   0   0
Preferred Class A Series 1 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized           1,040,000 1,040,000   1,040,000   1,040,000
Preferred Class A Series 2 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized           1,500,000 1,500,000   1,500,000   1,500,000
Preferred Class A Series 3 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized           700,000 700,000   700,000   700,000
Preferred Class A Series 4 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized           548,000 548,000   548,000    
Preferred Class B [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized           15,000 15,000   15,000   15,000
Preferred stock, par or stated value per share (in Dollars per share)           $ 0.50 $ 0.50   $ 0.50   $ 0.50
Preferred stock, issued           0 0   0   0
Preferred stock, outstanding           0 0   0   0
Minimum [Member]                      
Class of Stock [Line Items]                      
Share price   $ 8.00