STOCK-BASED COMPENSATION - Schedule of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($) $ / shares shares
Stock Options
Beginning balance (in shares) | shares	10,656,129
Granted (in shares) | shares	2,109,200
Exercised (in shares) | shares	(32,586)
Forfeited (in shares) | shares	(75,402)
Expired (in shares) | shares	(135,477)
Ending balance (in shares) | shares	12,521,864
Vested and exercisable (in shares) | shares	7,833,121
Weighted Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 3.83
Granted (in dollars per share) | $ / shares	1.63
Exercised (in dollars per share) | $ / shares	1.13
Forfeited (in dollars per share) | $ / shares	2.75
Expired (in dollars per share) | $ / shares	4.22
Ending balance (in dollars per share) | $ / shares	3.47
Vested and exercisable (in dollars per share) | $ / shares	$ 3.64
Weighted Average Remaining Contractual Life (in years)
Outstanding balance (in years)	7 years 2 months 12 days
Vested and exercisable (in years)	6 years 3 months 18 days
Aggregate Intrinsic Value (in thousands)
Ending balance, aggregate intrinsic value | $	$ 374
Vested and exercisable, aggregate intrinsic value | $	$ 345