v3.25.3
NATURE OF BUSINESS & SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Segment Financial Information Used by CODM to Assess Segment Performance and Make Decisions (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Segment Reporting Information [Line Items]          
Revenue $ 615   $ 1,667 $ 2,582 $ 3,050
Less:          
Stock-based compensation 1,886   2,687 6,363 8,030
Goodwill impairment 0 $ 21,000 181,432 20,950 181,432
Total operating expenses 16,053   202,104 77,537 243,422
Loss from operations (15,438)   (200,437) (74,955) (240,372)
Royalty liability interest expense - related parties (9,030)   (8,875) (26,075) (25,953)
Other interest income, net 158   160 383 522
Non-operating income, net 1   7,706 417 8,917
Income tax benefit (expense) 6   (13) (23) (23)
Net loss (24,303)   (201,459) (100,253) (256,909)
Reportable Segment          
Segment Reporting Information [Line Items]          
Revenue 615   1,667 2,582 3,050
Less:          
Personnel expenses 6,641   7,614 20,189 22,129
Professional fees 1,027   2,497 9,158 9,030
Stock-based compensation 1,886   2,687 6,363 8,030
Goodwill impairment 0   181,432 20,950 181,432
Other segment expenses 6,499   7,874 20,877 22,801
Total operating expenses 16,053   202,104 77,537 243,422
Loss from operations (15,438)   (200,437) (74,955) (240,372)
Royalty liability interest expense - related parties (9,030)   (8,875) (26,075) (25,953)
Other interest income, net 158   160 383 522
Non-operating income, net 1   7,706 417 8,917
Income tax benefit (expense) 6   (13) (23) (23)
Net loss $ (24,303)   $ (201,459) $ (100,253) $ (256,909)