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INCOME TAXES (Details 5)
Dec. 31, 2017
USD ($)
Commissions and transfer pricing | Minimum  
Anticipated change in unrecognized tax benefits  
Increase in unrecognized tax benefits within the next twelve months $ 200,000
Commissions and transfer pricing | Maximum  
Anticipated change in unrecognized tax benefits  
Increase in unrecognized tax benefits within the next twelve months 600,000
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Minimum  
Anticipated change in unrecognized tax benefits  
Decrease in unrecognized tax benefits within the next twelve months 0
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Maximum  
Anticipated change in unrecognized tax benefits  
Decrease in unrecognized tax benefits within the next twelve months $ 200,000