Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v2.4.0.8
Stockholders' Equity (Tables)
 6 Months Ended
Jan. 31, 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
January 31, 		    Six months ended
January 31, 		 
    2014     2013     2014     2013  
Stock options   $ 63     $ 15     $ 110     $ 15  
Restricted stock     46       145       102       286  
    $ 109     $ 160     $ 212     $ 301  
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, 		 
    2014     2013     2014     2013  
Cost of clinical laboratory services   $ 2     $ 2     $ 4     $ 5  
Research and development     —       1       1       1  
Selling, general and administrative     107       157       207       295  
    $ 109     $ 160     $ 212     $ 301  
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, 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     645,117     $ 2.82                
Exercised     —     $                  
Cancelled or expired     (30,734 )   $ 14.84                
Outstanding at end of period     1,341,028     $ 6.65       3.3 years   $ 43  
Exercisable at end of period     512,615     $ 11.95       0.5 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, 2014 is as follows:

    Awards     Weighted
Average
Award Price 		 
Outstanding at July 31, 2013     125,133     $ 3.45  
Awarded     1,000       2.48  
Vested     (59,810 )     2.42  
Forfeited     (3,834 )     1.98  
Unvested at end of period     62,489     $ 4.52