Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2018

Balance Sheet Detail [Abstract]

Schedule of Inventories

Inventories are comprised of the following:

	December 31,
	2018		2017
Materials	$	61,025	$	39,765
Work-in-process		21,910		20,923
Finished goods		13,885		6,833
Total inventories	$	96,820	$	67,521

Schedule of Property, Plant and Equipment, Net

Property, plant and equipment, net, is comprised of the following:

	December 31,
	2018			2017
Land and building	$	2,584		$	2,584
Machinery and equipment		29,097			29,870
Furniture and fixtures		3,226			3,201
Computer equipment and software		7,906			5,444
Leasehold improvements		9,448			9,472
		52,261			50,571
Accumulated depreciation		(33,387	)		(33,229	)
Total property, plant and equipment, net	$	18,874		$	17,342

Schedule of Other Assets

Other assets is comprised of the following:

	December 31,
	2018		2017
Convertible note receivable	$	5,000	$	—
Other		506		492
Total other assets	$	5,506	$	492

Schedule of Other Current Liabilities

Other current liabilities is comprised of the following:

	December 31,
	2018		2017
Contingent consideration - acquisitions	$	1,422	$	634
Customer deposits		1,135		5,561
Accrued inventory		1,103		384
Intangible asset acquisition - Stella Alliance		150		100
Deferred rent		75		151
Other		3,658		2,454
Total other current liabilities	$	7,543	$	9,284

Schedule of Other Non-Current Liabilities

Other non-current liabilities is comprised of the following:

	December 31,
	2018		2017
Unrecognized tax benefits (including interest)	$	5,409	$	4,660
Contingent consideration - acquisitions		638		1,959
Deferred revenue		1,314		983
Deferred rent		1,405		750
Other		2,395		2,109
Total non-current liabilities	$	11,161	$	10,461