Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v3.5.0.2
Stockholders' Equity (Tables)
 12 Months Ended
Jul. 31, 2016
Stockholders' Equity Note [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] A summary of the activity pursuant to the Company’s stock option plans for the years ended July 31, 2016, 2015, and 2014 is as follows:

    2016     2015     2014  
    Options     Weighted -
Average
Exercise
Price		     Options     Weighted -
Average
Exercise
Price		     Options     Weighted -
Average
Exercise
Price		  
Outstanding at beginning of year     1,358,104     $ 3.04       1,155,910     $ 5.03       726,645     $ 10.39  
New Grants     490,473     $ 4.48       383,873     $ 3.55       665,117     $ 2.77  
Exercised     (33,702 )   $ 2.81       —     $ —       —     $ —  
Expired     (6,000 )   $ 3.61       (181,679 )   $ 16.84       (236,852 )   $ 15.80  
Outstanding at end of year     1,808,875     $ 3.43       1,358,104     $ 3.04       1,155,910     $ 5.03  
Exercisable at end of year     1,094,794     $ 2.95       782,688     $ 2.88       399,262     $ 7.66  
Weighted average fair value of options granted during year           $ 1.58             $ 1.36             $ 0.90  
Schedule of Share based Compensation Stock Options Activity Range of Exercise Prices [Table Text Block] The following table summarizes information for stock options outstanding at July 31, 2016:

    Options outstanding and exercisable  
Range of Exercise prices   Shares     Weighted-Average
Remaining Contractual
Life in Years		     Weighted-Average
Exercise Price		  
$2.53 – $4.00     1,272,903       1.05     $ 2.99  
$4.01 – $5.61     535,972       0.56     $ 4.49  
      1,808,875                  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] The following table summarizes the activity pursuant to restricted stock awards for the years ended July 31,

    2016     2015     2014  
    Awards     Weighted -
Average
Award Price		     Awards     Weighted -
Average
Award Price		     Awards     Weighted -
Average
Award Price		  
Outstanding at beginning of year     21,501     $ 8.84       42,502     $ 5.74       125,133     $ 3.45  
Awarded     —     $ —       4,250     $ 4.75       11,500     $ 4.77  
Vested     (11,500 )   $ (2.83 )     (19,418 )   $ (2.83 )     (82,971 )   $ (2.70 )
Forfeited     (1,500 )   $ (2.86 )     (5,833 )   $ (3.22 )     (11,160 )   $ (1.70 )
Outstanding (non-vested) at end of year     8,501     $ 4.13       21,501     $ 8.84       42,502     $ 5.74  
Weighted average market value of awards granted during year           $ —             $ 4.75             $ 4.77