Annual report pursuant to Section 13 and 15(d)

ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES. (Details)

v3.20.1
ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES. (Details) - Sales [Member]
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Customer A [Member]    
Concentration risk percentage 12.00% 14.00%
Customer B [Member]    
Concentration risk percentage 10.00% 11.00%