Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2015

Balance Sheet Components

Schedule of Property and Equipment

		June 30,		December 31,
	Useful Life	2015		2014
		(in thousands)
Machinery and equipment	3-5 years	$	23,136	$	18,632
Furniture and fixtures	3 years		217		217
Computer equipment and software	3 years		1,508		700
Leasehold improvements	Life of lease		1,674		1,036
Construction‑in‑process			1,044		3,583
			27,579		24,168
Less: Accumulated depreciation and amortization			(12,532)		(9,594)
Total Property and Equipment, net		$	15,047	$	14,574

Schedule of accrued compensation

	June 30,		December 31,
	2015		2014
	(in thousands)
Accrued paid time off	$	2,125	$	1,577
Accrued commissions		3,601		2,651
Accrued bonuses		589		1,141
Other accrued compensation		696		611
Total accrued compensation	$	7,011	$	5,980

Schedule of other accrued liabilities

	June 30,		December 31,
	2015		2014
	(in thousands)
Accrued expenses	$	12,665	$	8,560
Accrued rent		419		551
Deferred lease obligation		71		99
Accrued interest		692		764
Sales tax payable		177		367
Total other accrued liabilities	$	14,024	$	10,341