Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Tables)

v3.3.0.814
Stockholders' Equity (Tables)
 12 Months Ended
Jul. 31, 2015
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, 2015, 2014, and 2013 is as follows:

    2015     2014     2013  
    Options     Weighted -
Average
Exercise
Price		     Options     Weighted -
Average
Exercise
Price		     Options     Weighted -
Average
Exercise
Price		  
Outstanding at beginning of year     1,155,910     $ 5.03       726,645     $ 10.39       736,490     $ 14.50  
New Grants     383,873     $ 3.55       665,117     $ 2.77       336,817     $ 2.88  
Expired     (181,679 )   $ 16.84       (236,852 )   $ 15.80       (346,662 )   $ 11.82  
Outstanding at end of year     1,358,104     $ 3.04       1,155,910     $ 5.03       726,645     $ 10.39  
Exercisable at end of year     782,688     $ 2.88       399,262     $ 7.66       389,828     $ 16.88  
Weighted average fair value of options granted during year           $ 1.36             $ 0.90             $ 1.22  
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, 2015:

    Options outstanding and exercisable  
Range of Exercise prices   Shares     Weighted-Average
Remaining Contractual
Life in Years		     Weighted-Aveage
Exercise Price		  
$2.53 – $3.00     978,232       2.02     $ 2.84  
$3.40 - $4.66     379,872       0.47     $ 3.55  
      1,358,104                  
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,

    2015     2014     2013  
    Awards     Weighted -
Average
Award Price		     Awards     Weighted -
Average
Award Price		     Awards     Weighted -
Average
Award Price		  
Outstanding at beginning of year     42,502     $ 5.74       125,133     $ 3.45       257,583     $ 3.58  
Awarded     4,250     $ 4.75       11,500     $ 4.77       39,000     $ 1.77  
Vested     (19,418 )   $ (2.83 )     (82,971 )   $ (2.70 )     (157,783 )   $ (3.23 )
Forfeited     (5,833 )   $ (3.22 )     (11,160 )   $ (1.70 )     (13,667 )   $ (3.59 )
Outstanding (non-vested) at end of year     21,501     $ 8.84       42,502     $ 5.74       125,133     $ 3.45  
Weighted average market value of awards granted during year           $ 4.75             $ 4.77             $ 1.77