REVENUE (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Disaggregation of product revenue by type of customer for the years ended December 31, 2021, 2020, and 2019 respectively:

	Year Ended December 31,
	2021		2020		2019
Public sector entities	$	382,958	$	8,874	$	—
Private sector customers	232,838		6,517		—
Total product revenue	$	615,796	$	15,391	$	—

The following table sets forth the Company’s product gross profit and product gross profit margin for the years ended December 31, 2021, 2020, and 2019:

	Year Ended December 31,
	2021			2020			2019
Product revenue	$	615,796		$	15,391		$	—
Cost of product revenue	276,542			14,951			—
Product gross profit	$	339,254		$	440		$	—
Product gross profit margin	55		%	3		%	0%

Schedule of Contract Liabilities

The activity related to contract liabilities for the years ended December 31, 2021 and 2020, is as follows:

	Amount
Balance at December 31, 2019	$	12
U.S. DoD Advance	184,577
Non-refundable customer deposits	803
Recognition of U.S. DoD Advance	(2,296)
Balance at December 31, 2020	183,096
Recognition of U.S. DoD Advance	(89,845)
Recognition of non-refundable customer deposits	(803)
Balance at December 31, 2021	$	92,448