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CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS - Narrative (Details) - USD ($)	Jan. 31, 2024	Apr. 30, 2023
CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS
Cash		$ 19,993,000
Cash Equivalents		0
Short-term investments	$ 5,043,000	$ 0

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
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-Name Accounting Standards Codification
-Section 55
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-Subparagraph (SX 210.7-03(a)(2))
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+ Details

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Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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X

- Definition

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
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-Subparagraph (SX 210.5-02(1))
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-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(8))
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-Topic 942
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-Paragraph 1
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-Paragraph 1
-Subparagraph (SX 210.9-03(4))
-Publisher FASB
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