Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.6.0.2
Stockholders' Equity (Tables)
 6 Months Ended
Jan. 31, 2017
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,		  
    2017     2016     2017     2016  
Stock options   $ 236     $ 104     $ 382     $ 208  
Restricted stock     5       6       10       13  
    $ 241     $ 110     $ 392     $ 221  
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,		  
    2017     2016     2017     2016  
Cost of clinical laboratory services   $ 1     $ 2     $ 3     $ 3  
Selling, general and administrative     240       108       389       218  
    $ 241     $ 110     $ 392     $ 221  
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, 2017:

    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     493,996     $ 7.07              
Exercised     (23,096 )   $ 2.89         $ 149  
Cancelled or expired     (5,000 )   $ 4.47              
Outstanding at end of period     2,274,775     $ 4.23     1.4 years   $ 5,797  
Exercisable at end of period     1,379,555     $ 3.18             0.5 years   $ 4,853  
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, 2017 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     $ 2.30