v3.10.0.1
RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Oct. 01, 2017
Sep. 30, 2018
Oct. 01, 2017
Dec. 31, 2017
Related Party Transaction [Line Items]          
Wexford Capital Ownership Percentage 18.60%   18.60%    
Wexford Capital, Shares Purchased in Rights Offering     352,845    
Director [Member]          
Related Party Transaction [Line Items]          
Revenues and NAF contributions $ 368 $ 399 $ 1,162 $ 1,309  
Accounts receivable from related parties 257   257   $ 301
Investor [Member]          
Related Party Transaction [Line Items]          
Revenues and NAF contributions 77   235    
Accounts receivable from related parties $ 38   $ 38   $ 32