INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Expected tax (benefit) provision at statutory rate (34%)	$ (2,456,209)	$ (5,037,026)
Rate differential between US statutory rate (34%) and foreign tax rates	1,777,133	161,035
State and local taxes, net of federal tax benefit	(230,928)	(870,784)
Valuation allowance	259,196	7,578,992
Non deductible financing costs	1,379,848	0
Non deductible change in fair value of acquisition-related contingent consideration		28,434
Other permanent differences	29,104	15,825
Total provision for income taxes	$ 758,144	$ 1,876,476