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Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Class A Common Stock
Additional Paid-In Capital
Shares To Be Issued
Accumulated Deficit
Accumulated Other Comprehensive Loss
Total
Beginning Balance, Shares at Dec. 31, 2023 918          
Beginning Balance at Dec. 31, 2023   $ 162,980   $ (159,957) $ (673) $ 2,350
Issuance of common stock in public offering, Shares 1,136          
Issuance of common stock in public offering   2,961       2,961
Issuance of warrants in public offering   4,829       4,829
Share issuance costs   (1,132)       (1,132)
Exercise of warrants, net of issuance costs, Shares 2,169          
Exercise of warrants, net of issuance costs   264       264
Settlement of restricted stock units, Shares 8          
Stock-based compensation   767       767
Other comprehensive (loss) income         428 428
Net loss       (4,128)   (4,128)
Ending Balance, Shares at Jun. 30, 2024 4,231          
Ending Balance at Jun. 30, 2024   170,669   (164,085) (245) 6,339
Beginning Balance, Shares at Mar. 31, 2024 1,146          
Beginning Balance at Mar. 31, 2024   164,844   (162,473) (385) 1,986
Issuance of common stock in public offering, Shares 939          
Issuance of common stock in public offering   1,587       1,587
Issuance of warrants in public offering   4,829       4,829
Share issuance costs   (959)       (959)
Exercise of warrants, net of issuance costs, Shares 2,138          
Exercise of warrants, net of issuance costs   1       1
Settlement of restricted stock units, Shares 8          
Stock-based compensation   367       367
Other comprehensive (loss) income         140 140
Net loss       (1,612)   (1,612)
Ending Balance, Shares at Jun. 30, 2024 4,231          
Ending Balance at Jun. 30, 2024   170,669   (164,085) (245) 6,339
Beginning Balance, Shares at Dec. 31, 2024 4,936          
Beginning Balance at Dec. 31, 2024   172,425   (171,699) 333 1,059
Issuance of common stock in public offering, Shares 54,125          
Issuance of common stock in public offering   5,749       5,749
Issuance of warrants in public offering   321       321
Share issuance costs   (790)       (790)
Exercise of warrants, net of issuance costs, Shares 621,414          
Exercise of warrants, net of issuance costs $ 1 12,954       12,955
Stock-based compensation   1,031       1,031
Other comprehensive (loss) income         (628) (628)
Net loss       (13,671)   (13,671)
Ending Balance, Shares at Jun. 30, 2025 680,475          
Ending Balance at Jun. 30, 2025 $ 1 191,690   (185,370) (295) 6,026
Beginning Balance, Shares at Mar. 31, 2025 8,132   3,572      
Beginning Balance at Mar. 31, 2025   174,692 $ 1,843 (175,537) 282 1,280
Issuance of common stock in public offering, Shares 54,001          
Issuance of common stock in public offering   5,672       5,672
Issuance of warrants in public offering   321       321
Share issuance costs   (780)       (780)
Exercise of warrants, net of issuance costs, Shares 618,342   (3,572)      
Exercise of warrants, net of issuance costs $ 1 11,375 $ (1,843)     9,533
Stock-based compensation   410       410
Other comprehensive (loss) income         (577) (577)
Net loss       (9,833)   (9,833)
Ending Balance, Shares at Jun. 30, 2025 680,475          
Ending Balance at Jun. 30, 2025 $ 1 $ 191,690   $ (185,370) $ (295) $ 6,026