Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details) - Schedule of restricted stock awards

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Stockholders' Equity (Details) - Schedule of restricted stock awards - $ / shares
12 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Jul. 31, 2013
Schedule of restricted stock awards [Abstract]      
Outstanding at beginning of year (in Shares) 42,502 125,133 257,583
Outstanding at beginning of year $ 5.74 $ 3.45 $ 3.58
Awarded $ 4.75 $ 4.77 $ 1.77
Awarded (in Shares) 4,250 11,500 39,000
Vested (in Shares) (19,418) (82,971) (157,783)
Vested $ (2.83) $ (2.70) $ (3.23)
Forfeited (in Shares) (5,833) (11,160) (13,667)
Forfeited $ (3.22) $ (1.70) $ (3.59)
Outstanding (non-vested) at end of year (in Shares) 21,501 42,502 125,133
Outstanding (non-vested) at end of year $ 8.84 $ 5.74 $ 3.45
Weighted average market value of awards granted during year $ 4.75 $ 4.77 $ 1.77