XML 20 R8.htm IDEA: XBRL DOCUMENT v3.3.1.900
2. ACCOUNTS RECEIVABLE
12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
ACCOUNTS RECEIVABLE

Trade accounts receivable was composed of the following at December 31 (in thousands):

 

    2015     2014  
Current trade accounts receivable   $ 256     $ 1,035