Composition of Certain Financial Statement Items

12 Months Ended

Dec. 31, 2016

Condensed Consolidated Balance Sheet Components [Abstract]

Composition of Certain Financial Statement Items

Inventories

Inventories, net consist of the following:



	December 31, 2016		December 31, 2015
	(in thousands)
Raw materials	$	1,680	$	1,481
Finished goods	20,018		24,665
Total inventories	$	21,698	$	26,146

Property and Equipment, net

Property and equipment, net consists of the following:



	December 31, 2016			December 31, 2015
	(in thousands)
Machinery and equipment	$	1,321		$	1,238
Software and software development	383			1,022
Furniture and fixtures	288			284
Tooling	1,581			3,395
Leasehold improvements	1,247			1,255
Demonstration units and convention booths	8,172			16,531
Total property and equipment, gross	12,992			23,725
Less: accumulated depreciation and amortization	(8,681		)	(16,866		)
Total property and equipment, net	$	4,311		$	6,859

Depreciation and amortization expense on property and equipment, for the years ended December 31, 2016, 2015 and 2014 was $5.1 million, $5.9 million and $5.8 million, respectively.

Other Current Liabilities

Other current liabilities consist of the following:



	December 31, 2016		December 31, 2015
	(in thousands)
Accrued vendor expenses	$	4,735	$	570
Accrued royalty	3,370		3,808
Accrued employee expenses	2,791		2,072
Accrued expenses	5,518		7,786
Total other current liabilities	$	16,414	$	14,236