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BUSINESS ACQUISITION BUSINESS ACQUISITION (Details) - USD ($)
$ in Thousands
6 Months Ended
May 31, 2016
Jun. 30, 2016
Business Acquisition [Line Items]    
Cash consideration for business acquisition $ 5,000  
Business acquisition purchase price funded with cash on hand 4,500  
Business acquisition purchase price, hold-back 500  
Acquisition-related costs   $ 100
Allocation of the purchase price to accounts receivable 125  
Allocation of the purchase price to intangible assets with definite lives $ 4,500  
Weighted average useful life of acquired intangible assets with definite lives 9 years 2 months  
Allocation of the purchase price to goodwill $ 375