Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Jul. 31, 2016	Apr. 30, 2016
Allowance	$ 100,000	$ 100,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized shares	54,000,000	54,000,000
Common stock, issued shares	3,697,637	1,643,391
Common stock, outstanding shares	3,697,637	1,643,391
Series A Preferred Shares
Preferred stock, par value	$ .01	$ .01
Preferred stock, designated shares	1,300,000	1,300,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Series B Preferred Shares
Preferred stock, par value	$ 12.20	$ 12.20
Preferred stock, designated shares	400,000	400,000
Preferred stock, issued shares	51,672	331,559
Preferred stock, outstanding shares	51,672	331,559
Preferred stock, liquidation value	$ 630,386