Annual report pursuant to Section 13 and 15(d)

ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES. (Details)

v3.8.0.1
ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES. (Details) - Sales [Member]
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Customer A [Member]      
Concentration risk percentage 16.00% 17.00% 12.00%
Customer C [Member]      
Concentration risk percentage 6.00% 6.00% 12.00%
Customer B [Member]      
Concentration risk percentage 11.00% 12.00% 15.00%