LOSS PER SHARE - Schedule of Antidilutive Securities Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares considered anti-dilutive (in shares)	470,343	539,788
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares considered anti-dilutive (in shares)	374,003	474,788
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares considered anti-dilutive (in shares)	37,220	0
PRAs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common shares considered anti-dilutive (in shares)	59,120	65,000