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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
March 2023 PIPE [Member]
August 2022 Offering [Member]
Common Stock [Member]
Common Stock [Member]
August 2022 Pre-Funded Warrants [Member]
Common Stock [Member]
March 2023 Pre-Funded Warrants [Member]
Common Stock [Member]
March 2023 PIPE [Member]
Common Stock [Member]
August 2022 Offering [Member]
Common Stock [Member]
March 2023 Offering [Member]
Additional Paid-In Capital [Member]
Additional Paid-In Capital [Member]
March 2023 PIPE [Member]
Additional Paid-In Capital [Member]
August 2022 Offering [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income [Member]
Non-Controlling Interest [Member]
Stockholders Equity, Beginning Balance at Dec. 31, 2021 $ 31,196     $ 63           $ 257,515     $ (226,485)   $ 103
Accounting Standards Update [Extensible Enumeration] Accounting Standards Update 2020-06 [Member]                            
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021       554,609                      
Issuance of shares     $ 1,176         $ 2       $ 1,174      
Issuance of shares, Shares               61,250              
Offering costs     $ (365)                 $ (365)      
Issuance of shares related to Pre-Funded Warrants exercise 0                            
Issuance of shares related to employee stock purchase plan $ 7                 7          
Issuance of shares related to employee stock purchase plan, Shares       220                      
Stock-based compensation 1,106                 1,106          
Net (loss) income (15,612)                       (15,376)   (236)
Stockholders Equity, Ending Balance at Dec. 31, 2022 20,900     $ 65           278,827     (257,859)   (133)
Stockholders Equity, Ending Balance (Accounting Standards Update 2020-06 Retrospective [Member]) at Dec. 31, 2022 3,392                 19,390     (15,998)    
Stockholders Equity, Ending Balance, Shares at Dec. 31, 2022       616,079                      
Issuance of shares   $ 4,740                 $ 4,740        
Issuance of shares, Shares             165,500                
Modification of warrants related to March 2023 PIPE   219                 219        
Issuance of shares related to Pre-Funded Warrants exercise         56,813                    
Issuance of shares related to employee stock purchase plan 5                 5          
Issuance of shares related to employee stock purchase plan, Shares       88                      
Issuance of shares related to reverse stock split       19,092                      
Stock-based compensation 212                 212          
Net (loss) income (9,384)                       (9,384)    
Stockholders Equity, Ending Balance at Mar. 31, 2023 16,692     $ 65           284,003     (267,243)   (133)
Stockholders Equity, Ending Balance, Shares at Mar. 31, 2023       857,572                      
Stockholders Equity, Beginning Balance at Dec. 31, 2022 20,900     $ 65           278,827     (257,859)   (133)
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 Retrospective [Member]) at Dec. 31, 2022 3,392                 19,390     (15,998)    
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2022       616,079                      
Net (loss) income (11,133)                            
Stockholders Equity, Ending Balance at Sep. 30, 2023 15,398     $ 65           284,371     (268,987) $ 87 (138)
Stockholders Equity, Ending Balance, Shares at Sep. 30, 2023       1,110,337                      
Stockholders Equity, Beginning Balance at Dec. 31, 2022 20,900     $ 65           278,827     (257,859)   (133)
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 Retrospective [Member]) at Dec. 31, 2022 $ 3,392                 19,390     (15,998)    
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2022       616,079                      
Issuance of shares   $ 4,740                 4,740        
Issuance of shares, Shares   165,500           56,813 425,834            
Modification of warrants related to March 2023 PIPE   $ 219                 $ 219        
Issuance of shares related to Pre-Funded Warrants exercise (482,647)                            
Issuance of shares related to employee stock purchase plan $ 12                 12          
Issuance of shares related to employee stock purchase plan, Shares       1,993                      
Issuance of shares related to reverse stock split 19,118     19,118                      
Stock-based compensation $ 717                 717          
Change in unrealized gains on available-for-sale securities 101                         101  
Net (loss) income (13,986)                       (13,981)   (5)
Stockholders Equity, Ending Balance at Dec. 31, 2023 12,703     $ 65           284,515     (271,840) 101 (138)
Stockholders Equity, Ending Balance, Shares at Dec. 31, 2023       1,285,337                      
Stockholders Equity, Beginning Balance at Mar. 31, 2023 16,692     $ 65           284,003     (267,243)   (133)
Stockholders Equity, Beginning Balance, Shares at Mar. 31, 2023       857,572                      
Issuance of shares related to Pre-Funded Warrants exercise           250,834                  
Issuance of shares related to reverse stock split       26                      
Stock-based compensation 199                 199          
Change in unrealized gains on available-for-sale securities 21                         21  
Net (loss) income 818                       823   (5)
Stockholders Equity, Ending Balance at Jun. 30, 2023 17,730     $ 65           284,202     (266,420) 21 (138)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2023       1,108,432                      
Issuance of shares related to employee stock purchase plan 7                 7          
Issuance of shares related to employee stock purchase plan, Shares       1,905                      
Stock-based compensation 162                 162          
Change in unrealized gains on available-for-sale securities 66                         66  
Net (loss) income (2,567)                       (2,567)    
Stockholders Equity, Ending Balance at Sep. 30, 2023 15,398     $ 65           284,371     (268,987) 87 (138)
Stockholders Equity, Ending Balance, Shares at Sep. 30, 2023       1,110,337                      
Stockholders Equity, Beginning Balance at Dec. 31, 2023 12,703     $ 65           284,515     (271,840) 101 (138)
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2023       1,285,337                      
Issuance of shares related to Pre-Funded Warrants exercise           75,000                  
Issuance of shares related to employee stock purchase plan 5                 5          
Issuance of shares related to employee stock purchase plan, Shares       2,503                      
Stock-based compensation 138                 138          
Change in unrealized gains on available-for-sale securities 60                         60  
Net (loss) income (2,423)                       (2,423)    
Stockholders Equity, Ending Balance at Mar. 31, 2024 10,483     $ 65           284,658     (274,263) 161 (138)
Stockholders Equity, Ending Balance, Shares at Mar. 31, 2024       1,362,840                      
Stockholders Equity, Beginning Balance at Dec. 31, 2023 $ 12,703     $ 65           284,515     (271,840) 101 (138)
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2023       1,285,337                      
Issuance of shares related to Pre-Funded Warrants exercise (75,000)                            
Issuance of shares related to reverse stock split 19,118                            
Net (loss) income $ (2,974)                            
Stockholders Equity, Ending Balance at Sep. 30, 2024 10,149     $ 65           284,919     (274,814) 117 (138)
Stockholders Equity, Ending Balance, Shares at Sep. 30, 2024       1,364,940                      
Stockholders Equity, Beginning Balance at Mar. 31, 2024 10,483     $ 65           284,658     (274,263) 161 (138)
Stockholders Equity, Beginning Balance, Shares at Mar. 31, 2024       1,362,840                      
Stock-based compensation 102                 102          
Change in unrealized gains on available-for-sale securities (80)                         (80)  
Net (loss) income 1,061                       1,061    
Stockholders Equity, Ending Balance at Jun. 30, 2024 11,566     $ 65           284,760     (273,202) 81 (138)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2024       1,362,840                      
Issuance of shares related to employee stock purchase plan 4                 4          
Issuance of shares related to employee stock purchase plan, Shares       2,100                      
Stock-based compensation 155                 155          
Change in unrealized gains on available-for-sale securities 36                         36  
Net (loss) income (1,612)                       (1,612)    
Stockholders Equity, Ending Balance at Sep. 30, 2024 $ 10,149     $ 65           $ 284,919     $ (274,814) $ 117 $ (138)
Stockholders Equity, Ending Balance, Shares at Sep. 30, 2024       1,364,940