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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property, Plant and Equipment) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]      
Depreciation expense   $ 0.2 $ 0.3
Depreciation expense, capital leases   $ 0.1 $ 0.1
Impairment charge related to property and equipment $ 0.8    
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