Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v2.4.0.8
Stockholders' Equity (Tables)
 9 Months Ended
Apr. 30, 2014
Stockholders' Equity Note [Abstract]  
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
April 30, 		    Nine months ended
April 30, 		 
    2014     2013     2014     2013  
Stock options   $ 255     $ 46     $ 367     $ 61  
Restricted stock     28       94       130       380  
    $ 283     $ 140     $ 497     $ 441  
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
April 30, 		    Nine months ended
April 30, 		 
    2014     2013     2014     2013  
Cost of clinical laboratory services   $ 3     $ 2     $ 7     $ 7  
Research and development     —       1       1       2  
Selling, general and administrative     280       137       489       432  
    $ 283     $ 140     $ 497     $ 441  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] The following table summarizes stock option activity during the nine month period ended April 30, 2014:

    Options     Weighted
Average
Exercise
Price 		    Weighted
Average
Remaining
Contractual
Term 		    Aggregate
Intrinsic
Value (000s) 		 
Outstanding at July 31, 2013     726,645     $ 10.39                  
Awarded     665,117     $ 2.82                  
Exercised     —     $                  
Cancelled or expired     (219,734 )   $ 17.08                  
Outstanding at end of period     1,172,028     $ 4.84       3.6 years     $ 1,525  
Exercisable at end of period     391,261     $ 7.22        3.1 years     $ 163  
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 nine months ended April 30, 2014 is as follows:

    Awards     Weighted
Average
Award Price 		 
Outstanding at July 31, 2013     125,133     $ 3.45  
Awarded     3,000       3.35  
Vested     (65,063 )     (2.48 )
Expired or forfeited     (11,160 )     (1.70 )
Unvested at end of period     51,910     $ 5.05