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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Sep. 30, 2023
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Measurements
Cash, cash equivalents, and available-for-sale investments were as follows (in thousands):
As of September 30, 2023Amortized
Costs
Gross
Unrealized
Gain
Gross
Unrealized
Loss
Estimated
Fair Value
Cash and
Cash
Equivalents
Restricted Cash
(Current & Non-current)
Short-Term
Investments
Cash$70,729 $— $— $70,729 $70,729 $— $— 
Level 1:
Money market funds64,070 — — 64,070 63,087 983 — 
Treasury securities599 — — 599 — — 599 
Subtotal135,398 — — 135,398 133,816 983 599 
Level 2:
Term deposit
10,214 — — 10,214 10,214 — — 
Commercial paper4,146 — (1)4,145 — 4,145 
Subtotal14,360 — (1)14,359 10,214 — 4,145 
Total assets$149,758 $— $(1)$149,757 $144,030 $983 $4,744 
As of March 31, 2023Amortized
Costs
Gross
Unrealized
Gain
Gross
Unrealized
Loss
Estimated
Fair Value
Cash and
Cash
Equivalents
Restricted Cash
(Current & Non-current)
Short-Term
Investments
Cash$95,828 $— $— $95,828 $95,828 $— $— 
Level 1:
Money market funds8,935 — — 8,935 8,935 — — 
Treasury securities1,599 (1)1,602 — — 1,602 
Subtotal106,362 (1)106,365 104,763 — 1,602 
Level 2:
Certificate of deposit1,329 — — 1,329 — 1,329 — 
Commercial paper8,610 — (2)8,608 6,637 — 1,971 
Corporate debt22,625 55 (25)22,655 — — 22,655 
Subtotal32,564 55 (27)32,592 6,637 1,329 24,626 
Total assets$138,926 $59 $(28)$138,957 $111,400 $1,329 $26,228 
Summary of Assumptions Used in Determination of Fair Value
The following table presents additional information about valuation techniques and inputs used for the detachable warrants (see Note 6, Convertible Senior Notes and Term Loan) that are measured at fair value and categorized within Level 3 as of September 30, 2023 and March 31, 2023 (dollars in thousands):
September 30, 2023March 31, 2023
Estimated fair value of detachable warrants$2,966 $5,497 
Unobservable inputs:
Stock volatility80.0%67.2%
Risk-free rate4.7%3.6%
Expected term3.9 years4.4 years