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STOCK-BASED COMPENSATION (Details 3) (USD $)
0 Months Ended
Dec. 31, 2013
employee
Nov. 15, 2013
employee
Deferred compensation arrangement    
Deferred compensation arrangement, number of terminated employees   1
Deferred compensation arrangement, number of active employees 1  
Deferred compensation | Certain members of management | Expected | Maximum
   
Deferred compensation arrangement    
Potential bonus payable to members of management $ 1,180,000  
Deferred compensation | Certain members of management | Recurring fair value measurement | Level 2 | Other current liabilities
   
Deferred compensation arrangement    
Deferred compensation liability, current 630,000  
Deferred compensation | Certain members of management | Recurring fair value measurement | Level 2 | Other long-term liabilities
   
Deferred compensation arrangement    
Deferred compensation liability, noncurrent $ 200,000