Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation (Tables)

v2.4.0.6
Share-based compensation (Tables)
 6 Months Ended
Jan. 31, 2013
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] The amounts of share-based compensation expense recognized in the periods presented are as follows:
    Three months ended
January 31, 		    Six months ended
January 31, 		 
    2013     2012     2013     2012  
Stock options     15       —       15       —  
Restricted stock     145       217       286       430  
    $ 160     $ 217     $ 301     $ 430  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] The following table sets forth the amount of expense related to share-based payment arrangements included in specific line items in the accompanying statements of operations:
    Three months ended
January 31, 		    Six months ended
January 31, 		 
    2013     2012     2013     2012  
Cost of clinical laboratory services   $ 2     $ 3     $ 5     $ 5  
Research and development     1       1       1       4  
Selling, general and administrative     157       213       295       421  
    $ 160     $ 217     $ 301     $ 430  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] The following table summarizes stock option activity during the six month period ended January 31, 2013:
    Options     Weighted
Average
Exercise
Price 		    Weighted
Average
Remaining
Contractual
Term 		    Aggregate
Intrinsic
Value (000s) 		 
Outstanding at July 31, 2012     736,490     $ 14.50                  
Awarded     336,817     $ 2.88                  
Exercised     —     $ —                  
Cancelled     (293,188 )   $ 12.07                  
Outstanding at end of period     780,119     $ 10.39       3.1 years     $ 3  
Options vested at end of period     443,302     $ 16.10       1.4 years     $ —  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] A summary of the activity pursuant to the Company’s restricted stock awards for the six months ended January 31, 2013 is as follows:
    Awards     Weighted
Average
Award Price 		 
Unvested at July 31, 2012     257,583     $ 3.58  
Awarded     32,000     $ 1.60  
Vested     (97,137 )   $ 2.89  
Forfeited     (3,291 )   $ 5.13  
Unvested at end of period     189,155     $ 3.57