NET LOSS PER SHARE - Schedule of Antidilutive Securities Excluded from Computation of Net Loss per Share (Details) - shares	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Stock options to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	431,333	498,137	605,695
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	968,864	848,750	613,899
Warrants to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	651,817	651,817	651,817
2025 Convertible Notes as converted to common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	0	218,328	206,946
Employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	14,033	7,615	14,817