NOTES PAYABLE - Company's Notes Payable (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024	Apr. 30, 2024
NOTES PAYABLE
Principal Amount Available for New Borrowings	$ 3,516		$ 3,516
Outstanding Principal Amount	29		29		$ 35
Principal Repayments	2	$ 2	6	$ 7
Capitalized Interest and Fees	0	0	0	0
Revolving Line of Credit
NOTES PAYABLE
Principal Amount Available for New Borrowings	3,516		3,516
Outstanding Principal Amount	$ 0		$ 0		0
Interest Rate	7.46%		7.46%
Mortgaged Property Book Value	$ 1,721		$ 1,721
Principal Repayments	0	0	0	0
Capitalized Interest and Fees	0	0	0	0
Equipment Financing
NOTES PAYABLE
Principal Amount Available for New Borrowings	0		0
Outstanding Principal Amount	$ 29		$ 29		$ 35
Interest Rate	2.35%		2.35%
Mortgaged Property Book Value	$ 29		$ 29
Principal Repayments	2	2	6	7
Capitalized Interest and Fees	$ 0	$ 0	$ 0	$ 0

Represents the amount of mortgaged property book value.

No definition available.

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- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The effective interest rate at the end of the reporting period.

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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