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Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Statement of Financial Position [Abstract]    
Accounts receivable, net of allowances $ 30 $ 75
Preferred stock, par value (in dollars per share) $ 0.001  
Preferred stock, shares authorized (in shares) 1,000,000  
Preferred stock, shares issued (in shares) 0  
Preferred stock, shares outstanding (in shares) 0  
Common stock, par value (in dollars per share) $ 0.001  
Common stock, shares authorized (in shares) 50,000,000  
Common stock, shares issued (in shares) 23,581,290 19,795,053
Common stock, shares outstanding (in shares) 23,581,290 19,795,053