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7. FINANCIAL INSTRUMENTS - Available-for-sale investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
Available-for-sale investments
Cost	$ 655
Total	651
Short-term Investments
Available-for-sale investments
Cost	655	$ 3,403
Gross Unrealized Losses	(4)	(40)
Total	651	3,363
Short-term investments, Certificates of deposit
Available-for-sale investments
Cost		1,750
Gross Unrealized Losses		(13)
Total		1,737
Short-term investments, Supranational obligations
Available-for-sale investments
Cost	655	654
Gross Unrealized Losses	(4)	(17)
Total	$ 651	637
Short-term investments, Agency bonds
Available-for-sale investments
Cost		999
Gross Unrealized Losses		(10)
Total		$ 989

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

Amortized cost 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 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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-Publisher FASB
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-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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- Definition

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
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-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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X

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