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Condensed Consolidated Statements of Stockholders Equity (Unaudited) - USD ($)
$ in Thousands
Total
Warrant Inducement Agreements [Member]
January 2023 Offering [Member]
May 2024 Offering [Member]
April 2023 Offering [Member]
September 2023 Offering
Preferred Stock [Member]
Common Stock [Member]
Common Stock [Member]
Warrant Inducement Agreements [Member]
Common Stock [Member]
January 2023 Offering [Member]
Common Stock [Member]
May 2024 Offering [Member]
Common Stock [Member]
April 2023 Offering [Member]
Common Stock [Member]
September 2023 Offering
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Warrant Inducement Agreements [Member]
 [1]
Additional Paid-in Capital [Member]
January 2023 Offering [Member]
 [1]
Additional Paid-in Capital [Member]
May 2024 Offering [Member]
 [1]
Additional Paid-in Capital [Member]
April 2023 Offering [Member]
 [1]
Additional Paid-in Capital [Member]
September 2023 Offering
Accumulated Deficit [Member]
Balance (in shares) at Dec. 31, 2022             200,000 196,287 [1]                        
Balance at Dec. 31, 2022 $ 12,479           $ 2 $ 2 [1]           $ 121,665 [1]           $ (109,190)
Net Income (Loss) (9,329)                                     (9,329)
Stock-based compensation expense and related charges 439                         439 [1]            
Issuance of common stock for vesting of restricted stock units, net of employee withholding tax liability (in shares) [1]               (2,310)                        
Issuance of common stock upon warrant exercises (in shares) [1]               146,932                        
Issuance of common stock upon warrant exercises 1,350             $ 1 [1]           1,349 [1]            
Issuance of common stock warrants related to promissory note (in shares) [1]                   31,789   80,770 155,959              
Issuance of common stock warrants related to promissory note     $ 2,166   $ 5,301 $ 1,676       $ 0 [1]   $ 1 [1] $ 2 [1]     $ 2,166   $ 5,300 $ 1,674 [1]  
Adjustment to record the impact of exercise price reset on outstanding warrants related to down round provisions (16)                         16 [1]           (16) [1]
Balance (in shares) at Sep. 30, 2023             200,000 614,047 [2]                        
Balance at Sep. 30, 2023 14,082           $ 2 $ 6 [2]           132,609 [2]           (118,535)
Balance (in shares) at Jun. 30, 2023             200,000 456,622 [2]                        
Balance at Jun. 30, 2023 15,800           $ 2 $ 4 [2]           130,717 [2]           (114,923)
Net Income (Loss) (3,596)                                     (3,596)
Stock-based compensation expense and related charges 202                         202 [2]            
Issuance of common stock for vesting of restricted stock units, net of employee withholding tax liability (in shares) [2]               1,466                        
Issuance of common stock warrants related to promissory note (in shares) [2]                         155,959              
Issuance of common stock warrants related to promissory note           $ 1,676             $ 2 [2]           $ 1,674 [2]  
Adjustment to record the impact of exercise price reset on outstanding warrants related to down round provisions (16)                         16 [2]           (16)
Balance (in shares) at Sep. 30, 2023             200,000 614,047 [2]                        
Balance at Sep. 30, 2023 14,082           $ 2 $ 6 [2]           132,609 [2]           (118,535)
Balance (in shares) at Dec. 31, 2023             200,000 618,056 [1]                        
Balance at Dec. 31, 2023 11,313           $ 2 $ 6 [1]           132,811 [1]           (121,506)
Net Income (Loss) (11,094)                                     (11,094)
Stock-based compensation expense and related charges 575                         575 [1]            
Issuance of common stock to vendor (in shares) [1]               29,632                        
Issuance of common stock to vendors 124                         124 [1]            
Issuance of common stock for vesting of restricted stock units, net of employee withholding tax liability (25)                         (25) [1]            
Issuance of common stock for vesting of restricted stock units, net of employee withholding tax liability (in shares) [1]               17,270                        
Issuance of common stock upon warrant exercises (in shares) [1]               218,142                        
Issuance of common stock upon warrant exercises [1]               $ 2           (2)            
Issuance of common stock under employee stock purchase plan (shares) [1]               2,256                        
Issuance of common stock under Employee Stock Purchase Plan 11                         11 [1]            
Issuance of common stock warrants related to promissory note (in shares) [1]                 228,162   85,100                  
Issuance of common stock warrants related to promissory note   $ 2,160   $ 3,544         $ 2 [1]   $ 1 [1]       $ 2,158   $ 3,543      
Adjustment to record the impact of exercise price reset on outstanding warrants related to down round provisions 0                                      
Reverse stock split fractional share settlement [1]               (102)                        
Balance (in shares) at Sep. 30, 2024             200,000 1,198,516 [2]                        
Balance at Sep. 30, 2024 6,608           $ 2 $ 11 [2]           139,195 [2]           (132,600)
Balance (in shares) at Jun. 30, 2024             200,000 966,345 [2]                        
Balance at Jun. 30, 2024 9,949           $ 2 $ 9 [2]           139,051 [2]           (129,113)
Net Income (Loss) (3,487)                                     (3,487)
Stock-based compensation expense and related charges 95                         95 [2]            
Issuance of common stock to vendor (in shares) [2]               14,029                        
Issuance of common stock to vendors 51                         51 [2]            
Issuance of common stock upon warrant exercises (in shares) [2]               218,142                        
Issuance of common stock upon warrant exercises 0             $ 2 [2]           (2) [2]            
Adjustment to record the impact of exercise price reset on outstanding warrants related to down round provisions 0                                      
Balance (in shares) at Sep. 30, 2024             200,000 1,198,516 [2]                        
Balance at Sep. 30, 2024 $ 6,608           $ 2 $ 11 [2]           $ 139,195 [2]           $ (132,600)
[1]

(*) Adjusted to reflect the 1-for-15 reverse stock split effected on April 5, 2024.
[2]

(*) Adjusted to reflect the 1-for-15 reverse stock split effected on April 5, 2024.