OTHER REVENUES (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2020	Jul. 31, 2019
OTHER REVENUES
Oil & gas royalties	$ 11
Private infrastructure reimbursement covenants	133	$ 91
Public improvement district reimbursements	175
Miscellaneous other revenue	50	44
Other Revenue, Net	$ 369	$ 135

This amount represents other revenues.

No definition available.

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- Definition

Other revenues.

+ References

No definition available.

+ Details

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- Definition

A payment from an investee, in which the investment basis has previously been reduced to zero for private sector improvements.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

A payment from an investee, in which the investment basis has previously been reduced to zero for public sector improvements.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of revenue and income classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.4)
-URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

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Period Type:	duration

- Definition

Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

+ Details

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