XML 87 R67.htm IDEA: XBRL DOCUMENT v3.19.1
ACCOUNTS RECEIVABLE, NET (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
ACCOUNTS RECEIVABLE, NET      
Accounts receivable $ 910 $ 937  
Less: allowance for doubtful accounts (34) (36) $ (34)
Accounts receivable, net $ 876 $ 901