Segments and Major Customers (Details) - Accounts receivable - Customer Concentration Risk	Dec. 31, 2020	Dec. 31, 2019
Customer 1 [Member]
Concentration Risk
Customer concentration risk	14.00%
Customer 2 [Member]
Concentration Risk
Customer concentration risk	13.00%	14.00%
Customer 3 [Member]
Concentration Risk
Customer concentration risk	11.00%
Customer 4
Concentration Risk
Customer concentration risk		19.00%