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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
March 2023 PIPE [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]
Additional Paid-In Capital [Member]
Additional Paid-In Capital [Member]
March 2023 PIPE [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income [Member]
Non-Controlling Interest [Member]
Stockholders Equity, Beginning Balance at Dec. 31, 2022 $ 20,900   $ 65       $ 278,827   $ (257,859)   $ (133)
Stockholders Equity, Beginning 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, Shares at Dec. 31, 2022     616,079                
Issuance of shares related to Pre-Funded Warrants exercise (482,647)                    
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, Shares at Dec. 31, 2022     616,079                
Net (loss) income (14,000)                    
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