The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Name:	us-gaap_DepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

INVESTMENT ASSETS: (Details Textual)	12 Months Ended
INVESTMENT ASSETS: (Details Textual)	Apr. 30, 2016 USD ($) a	Apr. 30, 2015 USD ($)	Oct. 31, 2015 a
Investment Assets [Line Items]
Area of Land	12,000		55,000
Ware House Facility [Member]
Investment Assets [Line Items]
Depreciation, Depletion and Amortization, Nonproduction \| $	$ 109,000	$ 145,000
AMREP Southwest in Rio Rancho [Member]
Investment Assets [Line Items]
Area of Land	2,200