7. PREFERRED STOCK (Details Narrative) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
7. PREFERRED STOCK (Details Narrative) (USD $)	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014	Apr. 30, 2014
Loss on conversion of stock	$ 0pmcb_LossOnConversionOfPreferredStock	$ 0pmcb_LossOnConversionOfPreferredStock	$ 0pmcb_LossOnConversionOfPreferredStock	$ (5,895,000)pmcb_LossOnConversionOfPreferredStock
Shareholder
Series E Preferred stock converted into common stock, Series E stock converted					8,500
Series E Preferred stock converted into common stock, common stock issued					54,000,000
Value of converted stock					6,475,000
Loss on conversion of stock					$ (5,895,000)

Number of shares issued during the period as a result of the conversion of convertible securities.