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.

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
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-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
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-Name Accounting Standards Codification
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-Section 50
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-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - New Accounting Guidance (Details) - USD ($)	May 01, 2019	Apr. 30, 2019	Apr. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle
Future minimum lease payments			$ 3,456,000
ASU 2016-02 \| Restatement Adjustment
New Accounting Pronouncements or Change in Accounting Principle
Future minimum lease payments		$ 3,456,000
Minimum
New Accounting Pronouncements or Change in Accounting Principle
Lease liabilities	$ 2,183,000
Right of use assets	2,183,000
Maximum
New Accounting Pronouncements or Change in Accounting Principle
Lease liabilities	2,683,000
Right of use assets	$ 2,683,000