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CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS | 12 Months Ended
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Mar. 31, 2025
Cash and Cash Equivalents [Abstract] |
CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS | CASH, CASH EQUIVALENTS, MARKETABLE SECURITIES AND INVESTMENTS Cash and cash equivalents mainly consisted of U.S. government and municipal obligations, commercial pap er, money market instruments and cash maintained with various financial institutions at March 31, 2025 and 2024. Marketable Securities The following is a summary of marketable securities held by the Company at March 31, 2025 classified as short-term and long-term (in thousands):
| Amortized Cost |  | Unrealized Gains (Losses) |  | Fair Value
Type of security: |  |  |  |  |
U.S. government and municipal obligations | $ | 4,413 |  |  | $ | 1 |  |  | $ | 4,414 |
Commercial paper | 17,358 |  |  | — |  |  | 17,358 |
Certificates of deposit | 505 |  |  | — |  |  | 505 |
Total short-term marketable securities | 22,276 |  |  | 1 |  |  | 22,277 |
U.S. government and municipal obligations | 1,005 |  |  | (1) |  |  | 1,004 |
Total long-term marketable securities | 1,005 |  |  | (1) |  |  | 1,004 |
Total marketable securities | $ | 23,281 |  |  | $ | — |  |  | $ | 23,281 |
The following is a summary of marketable securities held by the Company at March 31, 2024, classified as short-term and long-term (in thousands):
| Amortized Cost |  | Unrealized Losses |  | Fair Value
Type of security: |  |  |  |  |
U.S. government and municipal obligations | $ | 10,523 |  |  | $ | (26) |  |  | $ | 10,497 |
Commercial paper | 8,648 |  |  | — |  |  | 8,648 |
Certificates of deposit | 2,807 |  |  | — |  |  | 2,807 |
Total short-term marketable securities | 21,978 |  |  | (26) |  |  | 21,952 |
U.S. government and municipal obligations | 1,004 |  |  | (10) |  |  | 994 |
Total long-term marketable securities | 1,004 |  |  | (10) |  |  | 994 |
Total marketable securities | $ | 22,982 |  |  | $ | (36) |  |  | $ | 22,946 |
Contractual maturities of the Company's marketable securities held at March 31, 2025 and 2024 (in thousands) were as follows:
| March 31, 2025 |  | March 31, 2024
Available-for-sale securities: |  |  |
Due in 1 year or less | $ | 22,277 |  |  | $ | 21,952 |
Due after 1 year through 5 years | 1,004 |  |  | 994 |
| $ | 23,281 |  |  | $ | 22,946 |
Investments In February 2023, the Company entered into a forward share purchase agreement with Napatech A/S (Napatech), a publicly traded Danish company registered on the Oslo stock exchange, to purchase approximately 6.2 million shares of Napatech's common stock for $7.5 million. In April 2023, the Company settled the forward share purchase contract with Napatech in exchange for approximately 6.2 million shares of Napatech's common stock and recorded a $0.2 million change in the fair value of the derivative instrument in other income (expense), net within the Company's consolidated statement of operations during the fiscal year ended March 31, 2024. As part of the agreement, the Company received the right to designate a representative to be nominated for election to the Napatech Board of Directors, which was approved by Napatech's Nomination Committee in April 2023. The Company accounts for this investment under the equity method and has elected to apply the fair value option to the investment. The Company records the investment at fair value at the end of each period based on the closing price of Napatech's stock and any change in fair value during the period is recorded in other income (expense), net within the Company's consolidated statement of operations. At March 31, 2025 and 2024, the fair value of the investment in Napatech was $11.8 million and $11.5 million, respectively, and was included in marketable securities and investments in the Company's consolidated balance sheet. During the fiscal years ended March 31, 2025 and 2024, the Company recognized gains of $0.4 million and $5.5 million, respectively, in the fair value of the equity investment in Napatech in other income (expense), net within the Company's consolidated statement of operations. For the fiscal years ended March 31, 2025 and 2024, the unrealized losses related to foreign currency translation on the equity investment in Napatech were immaterial.

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- Definition The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent + Details
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