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NOTE 3 - PROVISION FOR INCOME TAXES (Details Narrative) (USD $)	9 Months Ended		60 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015
Notes to Financial Statements
Net operating loss	$ 80,116us-gaap_OperatingIncomeLoss	$ 1,481,249us-gaap_OperatingIncomeLoss	$ 1,781,161us-gaap_OperatingIncomeLoss
Estimated rate			35%
Assets tax			623,406BISN_AssetsTax
Income tax related interest and penalties			0BISN_IncomeTaxPenaltiesAndInterest
Accruals for income tax related interest and penalties	$ 0		$ 0
Year that operating loss carry-forwards begin to expire			2,031