REAL ESTATE INVENTORY: (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2020	Apr. 30, 2019
Interest Costs
Balance	$ 4,143	$ 4,029
Additional Amounts Capitalized	182	115
Capitalized Amounts Charged to Real Estate Cost of Sales	(4)	(1)
Balance	4,321	4,143
Real Estate Taxes
Balance	1,756	1,736
Additional Amounts Capitalized	78	31
Capitalized Amounts Charged to Real Estate Cost of Sales	(14)	(11)
Balance	$ 1,820	$ 1,756

The carrying amount of capitalized real estate taxes as of balance sheet date.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of charged to cost of sales that had been previously real estate taxes.

+ References

No definition available.

+ Details

Name:	axr_RealEstateInventoryCapitalizedCostOfSales
Namespace Prefix:	axr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of taxes capitalized to an operative builder's inventory during the period.

+ References

No definition available.

+ Details

Name:	axr_RealEstateInventoryCapitalizedTaxesCostsIncurred
Namespace Prefix:	axr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	axr_RealEstateInventoryTaxesCapitalizedRollforward
Namespace Prefix:	axr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount as of the balance sheet date of interest costs that were capitalized to properties under development during the land development and construction period of a project, and which are included in inventory.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

+ Details

Name:	us-gaap_RealEstateInventoryCapitalizedInterestCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of interest cost charged to cost of sales that had been previously capitalized to inventory.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

+ Details

Name:	us-gaap_RealEstateInventoryCapitalizedInterestCostsCostOfSales1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of interest capitalized to an operative builder's inventory during the period.

+ References

+ Details

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

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_RealEstateInventoryCapitalizedInterestCostsRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration