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Concentrations - Additional Information (Detail)			3 Months Ended		9 Months Ended
	Mar. 31, 2020	Dec. 31, 2018	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounts Receivable | Customer Concentration Risk | Two Customers
Concentration Risk [Line Items]
Percentage of Total Revenue	95.00%	81.00%
Revenue | Customer Concentration Risk | Three Customers
Concentration Risk [Line Items]
Percentage of Total Revenue			85.00%		69.00%
Revenue | Customer Concentration Risk | Four Customers
Concentration Risk [Line Items]
Percentage of Total Revenue				82.00%		74.00%
Accounts Payables | Supplier Concentration Risk | One Vendor
Concentration Risk [Line Items]
Percentage of Total Revenue		26.00%
Accounts Payables | Supplier Concentration Risk | Three Vendors [Member]
Concentration Risk [Line Items]
Percentage of Total Revenue	59.00%
Cost of Goods Sold | Supplier Concentration Risk | Two Supplier
Concentration Risk [Line Items]
Percentage of Total Revenue			70.00%	57.00%	64.00%	53.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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