CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jul. 31, 2014	Apr. 30, 2014
Allowance for accounts receivable	$ 1,086,000	$ 1,034,000
Debt discount of senior secured convertible notes	0	853,000
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	2,438	2,438
Preferred stock, stated value	$ 1,000	$ 1,000
Preferred Stock, liquidation preference	$ 5,617,000	$ 5,617,000
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	14,285,714	14,285,714
Common stock, shares issued	13,913,164	13,913,164
Common stock, shares outstanding	13,913,164	13,913,164