7. PREFERRED STOCK (Details) (Narrative) (USD $)
|
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Oct. 31, 2013
|
Oct. 31, 2012
|
Oct. 31, 2013
|
Oct. 31, 2012
|
|
Equity [Abstract] | ||||
Series E Preferred Stock converted into common stock - preferred shares converted | 8,500 | 8,500 | ||
Loss on conversion of preferred stock | $ (5,255,000) | $ 0 | $ (5,895,000) | $ 0 |