Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.3.1.900
Stockholders' Equity (Tables)
 6 Months Ended
Jan. 31, 2016
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,		  
    2016     2015     2016     2015  
Stock options   $ 104     $ 91     $ 208     $ 176  
Restricted stock     6       14       13       27  
    $ 110     $ 105     $ 221     $ 203  
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,		  
    2016     2015     2016     2015  
Cost of clinical laboratory services   $ 2     $ 2     $ 3     $ 3  
Research and development     —       1       —       2  
Selling, general and administrative     108       102       218       198  
    $ 110     $ 105     $ 221     $ 203  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] The following table summarizes stock option activity during the three month period ended January 31, 2016:

    Options     Weighted
Average
Exercise
Price		     Weighted
Average
Remaining
Contractual
Term		     Aggregate
Intrinsic
Value (000s)		  
Outstanding at July 31, 2015     1,358,104     $ 3.04                  
Awarded     189,873     $ 4.66                  
Exercised     (23,702 )   $ 2.79                  
Cancelled or expired     (6,000 )   $ 3.61                  
Outstanding at end of period     1,518,275     $ 3.25       2.0 years     $ 2,269  
Exercisable at end of period     1,098,307     $ 2.95       1.4 years     $ 1,963  
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 unvested restricted stock awards for the six months ended January 31, 2016 is as follows:

    Awards     Weighted
Average
Award Price		  
Outstanding at July 31, 2015     21,501     $ 8.84  
Awarded     —     $ —  
Vested     (6,751 )   $ (2.10 )
Forfeited     (1,500 )   $ (2.86 )
Unvested at end of period     13,250     $ 4.04