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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, 2021 $ 31,196   $ 63       $ 257,515   $ (226,485)   $ 103
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 [Member]) at Dec. 31, 2021 3,392           19,390   (15,998)    
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021     554,609                
Issuance of shares related to employee stock purchase plan 4           4        
Issuance of shares related to employee stock purchase plan, Shares     118                
Stock-based compensation 260           260        
Net (loss) income (4,610)               (4,488)   (122)
Stockholders Equity, Ending Balance at Mar. 31, 2022 30,242   $ 63       277,169   (246,971)   (19)
Stockholders Equity, Ending Balance, Shares at Mar. 31, 2022     554,727                
Stockholders Equity, Beginning Balance at Dec. 31, 2021 31,196   $ 63       257,515   (226,485)   103
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 [Member]) at Dec. 31, 2021 3,392           19,390   (15,998)    
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021     554,609                
Net (loss) income (8,407)                    
Stockholders Equity, Ending Balance at Jun. 30, 2022 26,768   $ 63       277,492   (250,748)   (39)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2022     554,727                
Stockholders Equity, Beginning Balance at Dec. 31, 2021 31,196   $ 63       257,515   (226,485)   103
Stockholders Equity, Beginning Balance (Accounting Standards Update 2020-06 [Member]) at Dec. 31, 2021 $ 3,392           19,390   (15,998)    
Stockholders Equity, Beginning Balance, Shares at Dec. 31, 2021     554,609                
Issuance of shares related to Pre-Funded Warrants exercise 0                    
Net (loss) income $ (15,600)                    
Stockholders Equity, Ending Balance at Dec. 31, 2022 20,900   $ 65       278,827   (257,859)   (133)
Stockholders Equity, Ending Balance, Shares at Dec. 31, 2022     616,079                
Stockholders Equity, Beginning Balance at Mar. 31, 2022 30,242   $ 63       277,169   (246,971)   (19)
Stockholders Equity, Beginning Balance, Shares at Mar. 31, 2022     554,727                
Stock-based compensation 323           323        
Net (loss) income (3,797)               (3,777)   (20)
Stockholders Equity, Ending Balance at Jun. 30, 2022 26,768   $ 63       277,492   (250,748)   (39)
Stockholders Equity, Ending Balance, Shares at Jun. 30, 2022     554,727                
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 (307,647)                    
Issuance of shares related to reverse stock split 19,118                    
Net (loss) income $ (8,566)                    
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                
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        
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