Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Finite Lived Intangible Assets Estimated Economic Lives (Details)

v3.20.1
SIGNIFICANT ACCOUNTING POLICIES - Finite Lived Intangible Assets Estimated Economic Lives (Details)
 12 Months Ended
Dec. 31, 2016
Patents | Minimum  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 52 months
Patents | Maximum  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 240 months
Client Relationships  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 264 months
Trademarks  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 360 months
Non-compete Agreements  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 108 months
Internally-developed Software | Minimum  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 12 months
Internally-developed Software | Maximum  
Finite Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 36 months