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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Property, Plant and Equipment (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 0.6 $ 0.8 $ 0.6
Depreciation expense, capital leases $ 0.3 $ 0.3 $ 0.2
Leasehold improvements | Minimum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 1 year    
Leasehold improvements | Maximum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 10 years    
Furniture and fixtures | Minimum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 3 years    
Furniture and fixtures | Maximum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 7 years    
Production equipment | Minimum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 3 years    
Production equipment | Maximum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 7 years    
Computer equipment | Minimum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 3 years    
Computer equipment | Maximum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 7 years    
Research and development equipment | Minimum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 2 years    
Research and development equipment | Maximum
      
Property, Plant and Equipment [Line Items]      
Property and equipment, estimated useful lives 7 years