Note F - Debt Facilities - Summary of Debt Facilities (Details) - USD ($)	Jul. 31, 2020	Apr. 30, 2020
Finance lease	$ 323,000	$ 445,000
Debt issuance costs	(707,000)	(787,000)
Debt facilities	214,283,000	215,568,000
Line of Credit [Member]
Debt facilities, gross	214,617,000	215,831,000
Notes Payable [Member]
Debt facilities, gross	$ 50,000	$ 79,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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-SubTopic 10
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-Paragraph 1
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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 842
-SubTopic 20
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- Definition

Amount of long-term debt and lease obligation, including portion classified as current.

+ References

No definition available.

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