9. INCOME TAXES (Details 1) (USD $)	Apr. 30, 2013	Apr. 30, 2012
Income Taxes Details 1
Share-based compensation	$ 4,624,000	$ 3,494,000
Deferred revenue	1,912,000	1,719,000
Depreciation and amortization	668,000	623,000
Accrued liabilities	1,677,000	693,000
Net operating losses	105,958,000	0
Total deferred tax assets	114,839,000	6,529,000
Less valuation allowance	(114,839,000)	(6,529,000)
Net deferred tax assets	$ 0	$ 0