Annual report pursuant to Section 13 and 15(d)

GOODWILL AND INTANGIBLE ASSETS, NET (Details)

v3.6.0.2
GOODWILL AND INTANGIBLE ASSETS, NET (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Intangible assets subject to amortization [Abstract]      
Gross $ 24,548 $ 24,548  
Accumulated Amortization (4,234) (2,354)  
Net 20,314 22,194  
Amortization of intangible assets 1,880 1,883 $ 471
Intangible assets not subject to amortization [Abstract]      
Gross 26,903 26,903  
Accumulated Amortization (4,234) (2,354)  
Net 22,669 24,549  
Estimated amortization expense for succeeding five fiscal years [Abstract]      
2017 1,861    
2018 1,861    
2019 1,855    
2020 1,842    
2021 1,842    
Thereafter 11,053    
Emissions Allowance [Member]      
Intangible assets not subject to amortization [Abstract]      
Gross 197 197  
Accumulated Amortization 0 0  
Net 197 197  
Trade Name [Member]      
Intangible assets not subject to amortization [Abstract]      
Gross 2,158 2,158  
Accumulated Amortization 0 0  
Net 2,158 2,158  
Customer Relationships [Member]      
Estimated amortization expense for succeeding five fiscal years [Abstract]      
2017 1,123    
2018 1,123    
2019 1,123    
2020 1,123    
2021 1,123    
Thereafter 8,710    
Non-compete Agreements [Member]      
Estimated amortization expense for succeeding five fiscal years [Abstract]      
2017 19    
2018 19    
2019 13    
2020 0    
2021 0    
Thereafter 0    
Licenses and Permits [Member]      
Estimated amortization expense for succeeding five fiscal years [Abstract]      
2017 106    
2018 106    
2019 106    
2020 106    
2021 106    
Thereafter 656    
Developed Technology [Member]      
Estimated amortization expense for succeeding five fiscal years [Abstract]      
2017 613    
2018 613    
2019 613    
2020 613    
2021 613    
Thereafter 1,687    
Customer Relationships [Member]      
Intangible assets subject to amortization [Abstract]      
Gross 16,852 16,852  
Accumulated Amortization (2,527) (1,404)  
Net 14,325 15,448  
Non-compete Agreements [Member]      
Intangible assets subject to amortization [Abstract]      
Gross 94 94  
Accumulated Amortization (43) (24)  
Net 51 70  
Licenses and Permits [Member]      
Intangible assets subject to amortization [Abstract]      
Gross 1,471 1,471  
Accumulated Amortization (285) (160)  
Net 1,186 1,311  
Developed Technology [Member]      
Intangible assets subject to amortization [Abstract]      
Gross 6,131 6,131  
Accumulated Amortization (1,379) (766)  
Net $ 4,752 $ 5,365