8. STOCKHOLDERS EQUITY (Details 4) (USD $)	6 Months Ended
	Oct. 31, 2013
Stockholders Equity Details 4
Number of Restricted Stock Grants, Beginning	1,917
Granted	103,519
Vested	(50,062)
Cancelled	(31,372)
Forfeited	(13,363)
Number of Restricted Stock Grants Ending	10,639
Weighted Average Grant Date Fair Value, Beginning	$ 48.40
Weighted Average Grant Date Fair Value, Granted	$ 1.75
Weighted Average Grant Date Fair Value, Vested	$ 2.29
Weighted Average Grant Date Fair Value, Cancelled	$ 1.64
Weighted Average Grant Date Fair Value, Forfeited	$ 4.49
Weighted Average Grant Date Fair Value, Ending	$ 4.52