7. INCOME TAXES (Details - Deferred income taxes) - USD ($)	Apr. 30, 2018	Apr. 30, 2017
Income Tax Disclosure [Abstract]
Share-based compensation	$ 4,828,000	$ 9,583,000
Deferred revenue	2,852,000	12,157,000
Deferred rent	568,000	738,000
Other	879,000	2,984,000
Net operating losses	115,236,000	154,030,000
Total deferred tax assets	124,363,000	179,492,000
Less valuation allowance	(123,555,000)	(178,400,000)
Net deferred tax assets	808,000	1,092,000
Deferred tax liabilities:
Fixed assets	(808,000)	(1,092,000)
Total deferred tax liabilities	(808,000)	(1,092,000)
Net deferred tax assets	$ 0	$ 0