Summary of Significant Accounting Policies - Schedule of Revenue and Accounts Receivable for Each Significant Customer (Details) - Customer Concentration Risk	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Revenue | Customer A
Concentration risk
Concentration risk percentage	34.00%	23.00%	29.00%	16.00%
Revenue | Customer B | Maximum
Concentration risk
Concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Revenue | Customer C
Concentration risk
Concentration risk percentage		11.00%		13.00%
Revenue | Customer C | Maximum
Concentration risk
Concentration risk percentage	10.00%		10.00%
Revenue | Customer D
Concentration risk
Concentration risk percentage		12.00%		12.00%
Revenue | Customer D | Maximum
Concentration risk
Concentration risk percentage	10.00%		10.00%
Revenue | Customer E
Concentration risk
Concentration risk percentage		13.00%		12.00%
Revenue | Customer E | Maximum
Concentration risk
Concentration risk percentage	10.00%		10.00%
Revenue | Customer F | Maximum
Concentration risk
Concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Accounts Receivable | Customer A
Concentration risk
Concentration risk percentage			53.00%		41.00%
Accounts Receivable | Customer B
Concentration risk
Concentration risk percentage					11.00%
Accounts Receivable | Customer B | Maximum
Concentration risk
Concentration risk percentage			10.00%
Accounts Receivable | Customer C | Maximum
Concentration risk
Concentration risk percentage			10.00%		10.00%
Accounts Receivable | Customer D | Maximum
Concentration risk
Concentration risk percentage			10.00%		10.00%
Accounts Receivable | Customer E | Maximum
Concentration risk
Concentration risk percentage			10.00%		10.00%
Accounts Receivable | Customer F
Concentration risk
Concentration risk percentage			10.00%
Accounts Receivable | Customer F | Maximum
Concentration risk
Concentration risk percentage					10.00%