7. PREFERRED STOCK (Details Narrative) (USD $)	3 Months Ended		6 Months Ended	12 Months Ended
7. PREFERRED STOCK (Details Narrative) (USD $)	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2013	Apr. 30, 2014
Loss on conversion of stock	$ 0nvlx_LossOnConversionOfPreferredStock	$ (5,255,000)nvlx_LossOnConversionOfPreferredStock	$ (5,895,000)nvlx_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.