8. Stock Options and Warrants (Details)	9 Months Ended
	Jan. 31, 2017 USD ($) shares
Warrants Issued to A Lender To Purchase Shares | shares	250,000
Estimated Fair Value of Warrants, charged to Debt Discount	$ 14,365
Warrants Issued to A Consultant To Purchase Shares | shares	50,000
Estimated Fair Value of Warrants, charged to General and Administrative Expenses	$ 9,056
Stock Issuance 9
Increase Accounts Payable and Decrease Additional Paid In Capital for Settlement of Warrants Obligation	50,000
Stock Issuance 3
Stock Issued During Period, Value, Other	$ 38,400