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Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Registered Direct Offering [Member]
Common Stock [Member]
Common Stock [Member]
Registered Direct Offering [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Registered Direct Offering [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2023 $ 38,147   $ 38   $ 468,015   $ (10) $ (429,896)
Beginning balance, shares at Dec. 31, 2023     37,186,348          
Common stock issued under employee stock plans 218       218      
Common stock issued under employee stock plans, shares     297,460          
Common stock withheld for employee taxes and other (247)       (247)      
Common stock withheld for employee taxes and other, shares     (61,304)          
Common stock issued in connection with warrant exercises, shares     206,957          
Stock-based compensation 1,726       1,726      
Net loss (25,198)             (25,198)
Foreign currency translation adjustment, net of income taxes 219           219  
Ending balance at Mar. 31, 2024 14,865   $ 38   469,712   209 (455,094)
Ending balance, shares at Mar. 31, 2024     37,629,461          
Beginning balance at Dec. 31, 2024 13,452   $ 41   480,477   214 (467,280)
Beginning balance, shares at Dec. 31, 2024     40,217,628          
Common stock issued under employee stock plans 140       140      
Common stock issued under employee stock plans, shares     321,806          
Common stock withheld for employee taxes and other (285)       (285)      
Common stock withheld for employee taxes and other, shares     (90,610)          
Common stock and pre-funded warrants issued in connection with registered direct offering, net of offering costs   $ 19,942   $ 4   $ 19,938    
Common stock and pre-funded warrants issued in connection with registered direct offering, net of offering costs, shares       4,414,878        
Stock-based compensation 1,800       1,800      
Net loss (19,875)             (19,875)
Foreign currency translation adjustment, net of income taxes (420)           (420)  
Ending balance at Mar. 31, 2025 $ 14,754   $ 45   $ 502,070   $ (206) $ (487,155)
Ending balance, shares at Mar. 31, 2025     44,863,702