Note 12 - Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Details
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ (1,500,351)	$ (1,042,379)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	(176,512)	(122,633)
Permanent differences	36,608	56,553
U.S. tax rate in excess of foreign tax rate	(56,858)	349,550
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	1,806,454	758,909
Tax provision	$ 109,341	$ 0