SHARE-BASED COMPENSATION: (Tables)
 6 Months Ended
May. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock based awards granted
The following table summarizes the number of share-based awards granted under the Company’s 2013 Stock Incentive Plan, as amended, during the three and six months ended May 31, 2015 and 2014, and the grant-date fair value of the awards:
 
Three Months Ended
 
Six Months Ended
 
May 31, 2015
 
May 31, 2014
 
May 31, 2015
 
May 31, 2014
 
Shares awarded
 
Fair value of grants
 
Shares awarded
 
Fair value of grants
 
Shares awarded
 
Fair value of grants
 
Shares awarded
 
Fair value of grants
Restricted stock awards
14

 
$
1,059

 
18

 
$
1,158

 
17

 
$
1,274

 
98

 
$
5,702

Restricted stock units
—

 
—

 
7

 
500

 
49

 
3,799

 
53

 
3,204

 
14

 
$
1,059

 
25

 
$
1,658

 
66

 
$
5,073

 
151

 
$
8,906
Schedule of stock-based compensation expense
The Company recorded share-based compensation expense in the consolidated statement of operations for the three and six months ended May 31, 2015 and 2014 as follows:
 
Three Months Ended
 
Six Months Ended
 
May 31, 2015
 
May 31, 2014
 
May 31, 2015
 
May 31, 2014
Cost of revenue
$
217

 
$
—

 
$
421

 
$
—

Selling, general and administrative expenses
3,504

 
3,048

 
6,956

 
5,632

Total share-based compensation
3,721

 
3,048

 
7,377

 
5,632

Tax effect on share-based compensation
(1,366
)
 
(1,095
)
 
(2,689
)
 
(2,034
)
Net effect on net income
$
2,355

 
$
1,953

 
$
4,688

 
$
3,598