Annual report pursuant to Section 13 and 15(d)

Stockholders' equity (Tables)

v2.4.0.8
Stockholders' equity (Tables)
12 Months Ended
Jul. 31, 2013
Stockholders' Equity Note [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] A summary of the information pursuant to the Company’s stock option plans for the years ended July 31, 2013, 2012, and 2011 is as follows:

    2013     2012     2011  
    Options     Weighted -
Average
Exercise
Price
    Options     Weighted -
Average
Exercise
Price
    Options     Weighted -
Average
Exercise
Price
 
                                     
Outstanding at beginning of year     736,490     $ 14.50       785,124     $ 14.53       1,132,450     $ 14.30  
New Grants     336,817     $ 2.88           $           $  
Expired     (346,662 )   $ 11.82       (48,634 )   $ 15.05       (347,326 )   $ 13.78  
Outstanding at end of year     726,645     $ 10.39       736,490     $ 14.50       785,124     $ 14.53  
Exercisable at end of year     389,828     $ 16.88       736,490     $ 14.50       785,124     $ 14.53  
Weighted average fair value of
options granted during year
          $ 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, 2013:

      Options outstanding and exercisable  
Range of Exercise prices     Shares     Weighted- Average
Remaining
Contractual Life in
years
    Weighted-
Average Exercise
Price
 
$ 2.88       336,817       4.47     $ 2.88  
$12.99-17.66       389,828       0.94     $ 17.04  
        726,645                  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] A summary of the information pursuant to the Company’s Restricted Stock Awards for the years ended July 31, 2013, 2012 and 2011 is as follows:

    2013     2012     2011  
    Awards     Weighted -
Average
Award Price
    Awards     Weighted -
Average
Award Price
    Awards     Weighted -
Average
Award Price
 
Outstanding at beginning of year     257,583     $ 3.58       311,952     $ 4.84       417,578     $ 5.50  
Awarded     39,000     $ 1.77       144,143     $ 2.51       181,643     $ 3.78  
Vested     (157,783 )   $ (3.23 )     (174,638 )   $ (4.85 )     (263,112 )   $ (5.11 )
Forfeited     (13,667 )   $ (3.59 )     (23,874 )   $ (4.30 )     (24,157 )   $ (5.27 )
Outstanding at end of year     125,133     $ 3.45       257,583     $ 3.58       311,952     $ 4.84  
Weighted average market value of
awards granted during year
          $ 1.77             $ 2.51             $ 3.78