Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.5.0.2
Stockholders' Equity (Tables)
 3 Months Ended
Oct. 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
October 31,		  
    2016     2015  
Stock options   $ 146     $ 104  
Restricted stock     5       7  
    $ 151     $ 111  
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
October 31,		  
    2016     2015  
Cost of clinical laboratory services   $ 2     $ 1  
Research and development     —       —  
Selling, general and administrative     149       110  
    $ 151     $ 111  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] The following table summarizes stock option activity during the three month period ended October 31, 2016:

    Options     Weighted
Average
Exercise
Price		     Weighted
Average
Remaining
Contractual
Term		     Aggregate
Intrinsic
Value (000s)		  
Outstanding at July 31, 2016     1,808,875     $ 3.43                  
Awarded     —     $ —                  
Exercised     (10,667 )   $ 4.66             $ 64  
Cancelled or expired     (5,000 )   $ 4.47                  
Outstanding at end of period     1,793,208     $ 3.43       1.4 years     $ 4,849  
Exercisable at end of period     1,083,640     $ 2.95        1.0 years     $ 3,413  
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 three months ended October 31, 2016 is as follows:

    Awards     Weighted
Average
Award Price		  
Outstanding at July 31, 2016     8,501     $ 4.13  
Awarded     —     $ —  
Vested     (1,501 )   $ (3.89 )
Forfeited     —     $ —  
Unvested at end of period     7,000     $ 3.03