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7. FINANCIAL INSTRUMENTS (Tables) | 6 Months Ended
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Sep. 30, 2023
FINANCIAL INSTRUMENTS |
Schedule of fair value of financial assets measured on a recurring basis | The fair value of financial assets measured on a recurring basis is as follows (in thousands): ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Fair Value Measurements at Reporting Date Using | ​
​ | ​ | ​ | ​ | ​ | Quoted Prices | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | in Active | ​ | Significant | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Markets for | ​ | Other | ​ | Significant | ​
​ | ​ | ​ | ​ | ​ | Identical Assets | ​ | Observable | ​ | Unobservable | ​
​ | ​ | ​ | ​ | ​ | and Liabilities | ​ | Inputs | ​ | Inputs | ​
​ |  | September 30, 2023 |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds | ​ | $ | 10,778 | ​ | $ | 10,778 | ​ | $ | — | ​ | $ | — | ​
Marketable securities | ​ | ​ | 651 | ​ | ​ | — | ​ | ​ | 651 | ​ | ​ | — | ​
Total | ​ | $ | 11,429 | ​ | $ | 10,778 | ​ | $ | 651 | ​ | $ | — | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Contingent consideration | ​ | $ | 728 | ​ | $ | — | ​ | $ | — | ​ | $ | 728 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Fair Value Measurements at Reporting Date Using | ​
​ | ​ | ​ | ​ | ​ | Quoted Prices | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | in Active | ​ | Significant | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Markets for | ​ | Other | ​ | Significant | ​
​ | ​ | ​ | ​ | ​ | Identical Assets | ​ | Observable | ​ | Unobservable | ​
​ | ​ | ​ | ​ | ​ | and Liabilities | ​ | Inputs | ​ | Inputs | ​
​ |  | March 31, 2023 |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds | ​ | $ | 7,796 | ​ | $ | 7,796 | ​ | $ | — | ​ | $ | — | ​
Marketable securities | ​ | ​ | 3,363 | ​ | ​ | — | ​ | ​ | 3,363 | ​ | ​ | — | ​
Total | ​ | $ | 11,159 | ​ | $ | 7,796 | ​ | $ | 3,363 | ​ | $ | — | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Contingent consideration | ​ | $ | 1,052 | ​ | $ | — | ​ | $ | — | ​ | $ | 1,052 | ​
Schedule of changes in fair value of contingent consideration | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended September 30, | ​
​ |  | 2023 |  | 2022 | ​
​ | ​ | (In thousands) | ​
Contingent consideration, beginning of period | ​ | $ | 1,052 | ​ | $ | 2,738 | ​
Change due to accretion | ​ | ​ | 70 | ​ | ​ | 102 | ​
Re-measurement of contingent consideration | ​ | ​ | (394) | ​ | ​ | (932) | ​
Contingent consideration, end of period | ​ | $ | 728 | ​ | $ | 1,908 | ​
Schedule of available-for-sale investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023 | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​
​ |  | Cost |  | Gains |  | Losses |  | Value |
​ | ​ | (In thousands) | ​
Short-term investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Supranational obligations | ​ | $ | 655 | ​ | $ | — | ​ | $ | (4) | ​ | $ | 651 | ​
Total short-term investments | ​ | $ | 655 | ​ | $ | — | ​ | $ | (4) | ​ | $ | 651 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2023 | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | Unrealized | ​ | Fair | ​
​ |  | Cost |  | Gains |  | Losses |  | Value |
​ | ​ | (In thousands) | ​
Short-term investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Certificates of deposit | ​ | $ | 1,750 | ​ | $ | — | ​ | $ | (13) | ​ | $ | 1,737 | ​
Supranational obligations | ​ | ​ | 654 | ​ | ​ | — | ​ | ​ | (17) | ​ | ​ | 637 | ​
Agency bonds | ​ | ​ | 999 | ​ | ​ | — | ​ | ​ | (10) | ​ | ​ | 989 | ​
Total short-term investments | ​ | $ | 3,403 | ​ | $ | — | ​ | $ | (40) | ​ | $ | 3,363 | ​
Schedule of unrealized losses and fair value of investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2023 | ​
​ | ​ | Less Than 12 Months | ​ | 12 Months or Greater | ​ | Total | ​
​ | ​ | ​ | Fair | ​ | ​ | Unrealized | ​ | ​ | Fair | ​ | ​ | Unrealized | ​ | ​ | Fair | ​ | ​ | Unrealized | ​
​ | ​ | ​ | Value | ​ | ​ | Loss | ​ | ​ | Value | ​ | ​ | Loss | ​ | ​ | Value | ​ | ​ | Loss | ​
​ | ​ | (In thousands) | ​
Supranational obligations | ​ | $ | — | ​ | $ | — | ​ | $ | 651 | ​ | $ | (4) | ​ | $ | 651 | ​ | $ | (4) | ​
​ | ​ | $ | — | ​ | $ | — | ​ | $ | 651 | ​ | $ | (4) | ​ | $ | 651 | ​ | $ | (4) | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2023 | ​
​ | ​ | Less Than 12 Months | ​ | 12 Months or Greater | ​ | Total | ​
​ | ​ | ​ | Fair | ​ | ​ | Unrealized | ​ | ​ | Fair | ​ | ​ | Unrealized | ​ | ​ | Fair | ​ | ​ | Unrealized | ​
​ | ​ | ​ | Value | ​ | ​ | Loss | ​ | ​ | Value | ​ | ​ | Loss | ​ | ​ | Value | ​ | ​ | Loss | ​
​ | ​ | (In thousands) | ​
Certificates of deposit | ​ | $ | — | ​ | $ | — | ​ | $ | 1,737 | ​ | $ | (13) | ​ | $ | 1,737 | ​ | $ | (13) | ​
Agency bonds | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 990 | ​ | ​ | (10) | ​ | ​ | 990 | ​ | ​ | (10) | ​
Supranational obligations | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 636 | ​ | ​ | (17) | ​ | ​ | 636 | ​ | ​ | (17) | ​
​ | ​ | $ | - | ​ | $ | - | ​ | $ | 3,363 | ​ | $ | (40) | ​ | $ | 3,363 | ​ | $ | (40) | ​
Schedule of contractual maturities of the available-for-sale investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Fair
​ |  | Cost |  | Value
​ | ​ | (In thousands)
Maturing within one year | ​ | $ | 655 | ​ | $ | 651
Maturing in one to three years | ​ | ​ | — | ​ | ​ | —
​ | ​ | $ | 655 | ​ | $ | 651

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- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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