Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Inventories

Inventories consisted of the following:

	September 30, 2015		December 31, 2014
Raw materials	$	10,713	$	10,160
Work in process		1,108		915
Finished goods		5,366		5,283
Inventories, net	$	17,187	$	16,358

Summary of Property and Equipment

Property and equipment consisted of the following:

	September 30, 2015			December 31, 2014
Building	$	6,231		$	6,229
Computers and office equipment		10,816			10,435
Manufacturing and test equipment		12,720			11,880
Furniture and fixtures		1,275			1,214
Leasehold improvements		875			909
Motor vehicles		42			117
Total property and equipment		31,959			30,784
Less: Accumulated depreciation and amortization		(19,687	)		(17,712	)
Land		1,770			1,770
Property and equipment, net	$	14,042		$	14,842

Summary of Accrued Liabilities

Accrued liabilities consisted of the following:

	September 30,		December 31,
	2015		2014
Inventory receipts	$	1,626	$	2,471
Paid time off		1,338		1,247
Payroll, bonuses, and other employee benefits		991		1,539
Due to Nexgen Parties - working capital adjustment		840		0
Professional fees and contractors		403		223
Warranties		381		304
Deferred revenues		218		1,262
Real estate taxes		121		181
Income and sales taxes		157		266
Employee stock purchase plan		97		314
Executive deferred compensation		0		2,043
Other		258		361
Total	$	6,430	$	10,211

Summary of Long-term Liabilities

Long-term liabilities consist of the following:

	September 30,		December 31,
	2015		2014
Due to Nexgen Parties - contingent consideration	$	500	$	0
Deferred rent		263		258
Long-term obligations under capital leases		128		135
Deferred revenues		39		55
	$	930	$	448