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Statements of Operations and Comprehensive Loss - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Income Statement [Abstract]    
Revenue $ 77 $ 306
Operating expenses:    
Cost of revenue 82 210
Research and development 14,730 15,225
Selling and marketing 5,771 8,349
General and administrative 16,129 16,343
Total operating expenses 36,712 40,127
Loss from operations (36,635) (39,821)
Interest expense (28) (55)
Other income, net 3,765 3,634
Net loss $ (32,898) $ (36,242)
Net loss per share, basic $ (0.99) $ (1.16)
Net loss per share, diluted $ (0.99) $ (1.16)
Weighted-average shares outstanding, basic 33,156,936 31,200,652
Weighted-average shares outstanding, diluted 33,156,936 31,200,652
Other comprehensive income:    
Unrealized gain on available-for-sale debt securities, net of tax $ 75 $ 966
Total other comprehensive income 75 966
Comprehensive loss $ (32,823) $ (35,276)