XML 90 R67.htm IDEA: XBRL DOCUMENT v3.21.1
Financial Instruments - Schedule of Significant Customer Risk Percentage (Details) - Sales Revenue [Member]
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Concentration of revenues 77.00% 92.00%
Customer A [Member]    
Concentration of revenues 0.00% 89.00%
Customer B [Member]    
Concentration of revenues 51.00% 0.00%
Customer C [Member]    
Concentration of revenues 26.00% 3.00%