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Fair Value Measurements (Tables)
9 Months Ended
Feb. 29, 2016
Fair Value Disclosures [Abstract]  
Schedule of fair value of the Company's financial liabilities that are required to be remeasured at fair value on a recurring basis
In accordance with the fair value hierarchy described above, the following table shows the fair value of the Company’s financial liabilities that are required to be remeasured at fair value on a recurring basis:
 
 
February 29, 2016
 
Level 1
 
Level 2
 
Level 3
 
Total
Liabilities:
 

 
 

 
 

 
 

Contingent consideration
$

 
$

 
$
3,808

 
$
3,808

Total Liabilities
$

 
$

 
$
3,808

 
$
3,808

 
 
May 31, 2015
 
Level 1
 
Level 2
 
Level 3
 
Total
Liabilities:
 

 
 

 
 

 
 

Contingent consideration
$

 
$

 
$
6,411

 
$
6,411

Total Liabilities
$

 
$

 
$
6,411

 
$
6,411