STOCKHOLDERS' EQUITY AND EMPLOYEE STOCK PLANS - Activity of Nonvested Shares of Restricted Stock and Restricted Stock Units (Details) - 2016 Plan - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Unvested RSAs
Shares
Balance at the beginning of the period (in shares)	273,777	229,650
Granted (in shares)	260,207	196,955
Vested (in shares)	(243,592)	(151,828)
Forfeited (in shares)	(8,439)	(1,000)
Balance at the end of the period (in shares)	281,953	273,777
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 32.71	$ 40.26
Granted (in dollars per share)	20.79	26.43
Vested (in dollars per share)	30.97	36.01
Forfeited (in dollars per share)	27.20	29.77
Balance at the end of the period (in dollars per share)	$ 23.38	$ 32.71
Unvested RSUs
Shares
Balance at the beginning of the period (in shares)	44,521	52,298
Granted (in shares)	31,418	27,397
Vested (in shares)	(21,968)	(35,101)
Forfeited (in shares)	0	(73)
Balance at the end of the period (in shares)	53,971	44,521
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 39.47	$ 41.67
Granted (in dollars per share)	21.18	28.59
Vested (in dollars per share)	40.69	34.29
Forfeited (in dollars per share)	0	25.81
Balance at the end of the period (in dollars per share)	$ 28.33	$ 39.47
Unvested PSUs
Shares
Balance at the beginning of the period (in shares)	144,732	60,971
Granted (in shares)	75,997	84,165
Vested (in shares)	(42,883)	(404)
Forfeited (in shares)	(87,374)
Balance at the end of the period (in shares)	90,472	144,732
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 51.67	$ 79.56
Granted (in dollars per share)	28.30	31.45
Vested (in dollars per share)	15.48	48.23
Forfeited (in dollars per share)	67.79
Balance at the end of the period (in dollars per share)	$ 33.62	$ 51.67