Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2019

Property and Equipment, Net [Abstract]

Property and Equipment, Net

		March 31,			December 31,
	Useful Lives	2019			2018
Machinery	3-15 yrs	$	20,905		$	20,681
Furniture and fixtures	3-15 yrs		1,150			1,150
Leasehold improvements	(a)		21,333			21,333
Computer, network equipment and software	3-7 yrs		2,657			2,579
Construction in progress			1,476			1,655
			47,521			47,398
Less: accumulated depreciation and amortization			(35,927	)		(35,191	)
Total property and equipment, net		$	11,594		$	12,207