CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 46,848	$ 67,071
Unrealized Losses	(42)	(34)
Fair Value	46,806	67,037
Short-term Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	46,848	67,071
Unrealized Losses	(42)	(34)
Fair Value	46,806	67,037
Long-term Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	0	0
Unrealized Losses	0	0
Fair Value	0	0
U.S. government and municipal obligations
Debt Securities, Available-for-sale [Line Items]
Fair Value	17,738	40,863
U.S. government and municipal obligations \| Short-term Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	17,776	40,895
Unrealized Losses	(38)	(32)
Fair Value	17,738	40,863
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Fair Value	22,292	23,353
Commercial paper \| Short-term Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	22,292	23,353
Unrealized Losses	0	0
Fair Value	22,292	23,353
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Fair Value	815	821
Corporate bonds \| Short-term Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	819	823
Unrealized Losses	(4)	(2)
Fair Value	815	821
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Fair Value	5,961	2,000
Certificates of deposit \| Short-term Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,961	2,000
Unrealized Losses	0	0
Fair Value	$ 5,961	$ 2,000

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 320
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