Concentrations - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Concentration Risk [Line Items]
Guarantor Obligations, Current Carrying Value	$ 9,478		$ 9,478		$ 9,478
Accounts Receivable | Customer Concentration Risk | One Customer
Concentration Risk [Line Items]
Concentration Risk, Percentage		78.00%
Accounts Receivable | Customer Concentration Risk | Two Customers
Concentration Risk [Line Items]
Concentration Risk, Percentage	55.00%
Revenue | Customer Concentration Risk | Three Customers
Concentration Risk [Line Items]
Concentration Risk, Percentage			50.00%	85.00%		69.00%
Revenue | Customer Concentration Risk | Four Customers
Concentration Risk [Line Items]
Concentration Risk, Percentage					68.00%
Accounts Payables | Supplier Concentration Risk | One Vendor
Concentration Risk [Line Items]
Concentration Risk, Percentage	23.00%
Accounts Payables | Supplier Concentration Risk | Three Vendors [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		42.00%
Cost of Goods Sold | Supplier Concentration Risk | Two Supplier
Concentration Risk [Line Items]
Concentration Risk, Percentage			23.00%		22.00%
Cost of Goods Sold | Supplier Concentration Risk | Two Suppliers
Concentration Risk [Line Items]
Concentration Risk, Percentage				70.00%		64.00%