COMMON STOCK AND EQUITY INCENTIVE PLAN - Summary of option activity (Details) - 2016 Plan - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Options Outstanding
Options outstanding, beginning balance (in shares)	10,224,582	18,317,746	18,652,610
Exercisable options, beginning balance (in shares)	8,405,911	8,173,670	8,019,419
Granted (in shares)	843,161	927,887	1,397,090
Exercised (in shares)	(521,699)	(841,202)	(1,100,864)
Forfeited (in shares)	(180,548)	(1,200,973)	(502,583)
Expired (in shares)	(77,746)	(6,978,876)	(128,507)
Exercisable options, ending balance (in shares)	8,788,045	8,405,911	8,173,670
Options outstanding, ending balance (in shares)	10,287,750	10,224,582	18,317,746
Weighted Average Exercise Price
Options outstanding, beginning balance (in dollars per share)	$ 4.21	$ 4.06	$ 3.77
Exercisable options, beginning balance (in dollars per share)	3.63	3.30	2.87
Granted (in dollars per share)	10.66	8.37	6.37
Exercised (in dollars per share)	4.62	3.27	1.56
Forfeited (in dollars per share)	7.74	5.69	5.43
Expired (in dollars per share)	5.59	4.23	3.93
Exercisable options, ending balance (in dollars per share)	3.95	3.63	3.30
Options outstanding, ending balance (in dollars per share)	$ 4.64	$ 4.21	$ 4.06