Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Narrative) (Details)

v3.23.3
Stockholders' Equity (Narrative) (Details)
 1 Months Ended 12 Months Ended 36 Months Ended
Dec. 05, 2023
USD ($)
shares
Nov. 30, 2023
USD ($)
shares
Jun. 26, 2023
USD ($)
May 02, 2023
USD ($)
shares
$ / shares
Apr. 12, 2023
USD ($)
$ / shares
shares
Jun. 26, 2020
USD ($)
shares
Mar. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
item / shares
$ / shares
shares
Jun. 25, 2023
USD ($)
shares
May 12, 2023
USD ($)
shares
Sep. 30, 2022
USD ($)
$ / shares
shares
Class of Stock [Line Items]                      
Preferred stock, issued | shares               0     0
Preferred stock, outstanding | shares               0     0
Common Stock, shares authorized | shares               308,000,000     154,000,000
Common Stock, par value | $ / shares               $ 0.01     $ 0.01
Common stock voting rights per share | item / shares               1      
Shelf registration statement capacity             $ 200,000,000 $ 23,000,000.0      
Deferred costs recorded in additional paid in capital               $ 138,182      
Common Stock, shares outstanding | shares               91,782,698     80,508,894
Value of shares issued for services               $ 1,008,000      
Maximum Share Purchase, Stock Price Range One [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, maximum purchase of shares per business day | shares       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 | shares       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 | shares       2,000,000              
Aspire Capital Purchase Agreement [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, term           36 months          
Stock purchase agreement, aggregate amount of stock purchase authorized           $ 23,900,000          
Shares issued | shares               2,779,713 4,424,450    
Proceeds from sale of shares               $ 3,400,000 $ 8,400,000    
Deferred costs recorded in additional paid in capital               105,000      
Remaining amount authorized     $ 0                
Stock purchase agreement, number of shares issued for initial fee | shares           212,130          
Value of shares issued for services           $ 681,000          
Related expenses           50,000          
Deferred costs           $ 731,000          
Stock issuance expenses     $ 473,000                
Unamortized deferred assets                     $ 578,000
Stock Purchase Agreement With Frost Gamma Investment Trust (FGI) [Member]                      
Class of Stock [Line Items]                      
Shares issued | shares         5,000,000            
Stock issuance price | $ / shares         $ 1.00            
Proceeds from sale of shares               4,969,045      
Sale of shares under common stock purchase agreement         $ 5,000,000.0     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              
Proceeds from sale of shares               1,400,000      
Deferred costs recorded in additional paid in capital               $ 30,000      
Stock purchase agreement, maximum purchase of shares per business day | shares       250,000              
Stock purchase agreement, number of shares issued for initial fee | shares       800,000       1,225,000      
Related expenses       $ 57,000              
Deferred costs       1,100,000              
Unamortized deferred assets               $ 1,000,000.0      
Stock purchase agreement, maximum purchase of shares per regular purchase, amount       $ 225,000              
Share price | $ / shares       $ 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 | 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 | $ / shares       $ 1.26              
Stock purchase agreement, shares issuable upon threshold for aggregate purchases, value       $ 1,000,000.0              
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              
Lincoln Park Purchase Agreement [Member] | Subsequent Event [Member]                      
Class of Stock [Line Items]                      
Proceeds from sale of shares $ 1,700,000                    
Stock purchase agreement, number of shares issued for initial fee | shares 1,800,000                    
Jefferies Sales Agreement [Member]                      
Class of Stock [Line Items]                      
Stock purchase agreement, aggregate amount of stock purchase authorized                   $ 75,000,000  
Proceeds from sale of shares               1,040,321      
Deferred costs recorded in additional paid in capital               3,000      
Value of shares issued for services               1,277,259      
Deferred costs                   $ 207,000  
Unamortized deferred assets               200,000      
Sale of shares under common stock purchase agreement               $ 1,040,321      
Stock purchase agreement, aggregate amount of stock purchase authorized, shares | shares                   39,609,072  
Commission percentage               3.00%      
Jefferies Sales Agreement [Member] | Subsequent Event [Member]                      
Class of Stock [Line Items]                      
Proceeds from sale of shares   $ 67,000                  
Stock purchase agreement, number of shares issued for initial fee | shares   90,156                  
Preferred Class A [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized | shares               5,000,000      
Preferred stock, par or stated value per share (in Dollars per share) | $ / shares               $ 0.01      
Preferred stock, issued | shares               0     0
Preferred stock, outstanding | shares               0     0
Preferred Class A Series 1 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized | shares               1,040,000      
Preferred Class A Series 2 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized | shares               1,500,000      
Preferred Class A Series 3 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized | shares               700,000      
Preferred Class A Series 4 [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized | shares               548,000      
Preferred Class B [Member]                      
Class of Stock [Line Items]                      
Preferred stock, shares authorized | shares               15,000      
Preferred stock, par or stated value per share (in Dollars per share) | $ / shares               $ 0.50      
Preferred stock, issued | shares               0     0
Preferred stock, outstanding | shares               0     0
Minimum [Member] | Lincoln Park Purchase Agreement [Member]                      
Class of Stock [Line Items]                      
Share price | $ / shares       $ 8.00