Summary of Significant Accounting Policies - Schedule of Revenue and Accounts Receivable for Each Significant Customer (Details) - Customer Concentration Risk	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenue | Celestica Shared Service Centre
Concentration risk
Concentration risk percentage	29.00%	21.00%
Revenue | Customer B
Concentration risk
Concentration risk percentage	11.00%
Revenue | Customer B | Maximum
Concentration risk
Concentration risk percentage		10.00%
Revenue | Customer C
Concentration risk
Concentration risk percentage		12.00%
Revenue | Customer C | Maximum
Concentration risk
Concentration risk percentage	10.00%
Revenue | Customer D
Concentration risk
Concentration risk percentage		12.00%
Revenue | Customer D | Maximum
Concentration risk
Concentration risk percentage	10.00%
Revenue | Customer E
Concentration risk
Concentration risk percentage		10.00%
Revenue | Customer E | Maximum
Concentration risk
Concentration risk percentage	10.00%
Accounts Receivable | Celestica Shared Service Centre
Concentration risk
Concentration risk percentage	29.00%	41.00%
Accounts Receivable | Customer B
Concentration risk
Concentration risk percentage	25.00%	11.00%
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%