Consolidated Balance Sheet - USD ($)	Oct. 31, 2016	Apr. 30, 2016
Current assets
Cash and cash equivalents	$ 325,690	$ 259,040
Short-term investments (Note 5)		320,584
Prepaid expenses	21,360	32,593
GST/HST receivable	3,189	3,337
Inventory (Note 6)	30,283	3,064
Total assets	380,522	618,618
Current liabilities
Accounts payable and accrued liabilities (Note 7)	139,486	156,944
Due to related parties (Note 8)	930,762	977,887
Total current liabilities	1,070,248	1,134,831
Shareholders' equity (deficit)
Capital stock (Note 9)
Authorized 300,000,000 common shares, par value $ 0.001 Issued and outstanding October 31, 2016 - 66,429,868 common shares April 30, 2016 - 66,429,868 common shares	66,430	66,430
Additional paid-in capital	1,539,591	1,539,591
Accumulated other comprehensive gain (loss)	34,682	(11,412)
Accumulated deficit	(2,330,429)	(2,110,822)
Total stockholders' (deficit)	(689,726)	(516,213)
Total liabilities and stockholders' equity (deficit)	$ 380,522	$ 618,618

Goods and services tax and harmonized sales tax receivable.

No definition available.

Name:	etah_GoodsAndServicesTaxAndHarmonizedSalesTaxReceivable
Namespace Prefix:	etah_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.