Consolidated Balance Sheet Details

Inventory (in thousands)

Property and Equipment, Net (in thousands)



	December 31,
	2015			2014
Machinery, equipment and tooling	$	12,859		$	12,847
Construction in progress	4,647			4,974
Computer equipment and software	579			1,038
Leasehold improvements	1,271			783
Furniture and fixtures	667			615
Property and equipment, at cost	20,023			20,257
Less accumulated depreciation	(10,769		)	(9,639		)
	$	9,254		$	10,618

Depreciation expense for the years ended December 31, 2015, 2014 and 2013 was $1,621,000, $1,625,000 and $1,806,000, respectively.

The Company had net long-lived assets consisting of property and equipment in the following regions as of December 31, 2015 and 2014 (in thousands):

Other Assets (in thousands)



	December 31,
	2015		2014
Prepaid royalty expense	$	2,000	$	2,286
Debt acquisition costs	72		241
Deposits	556		305
Prepaid clinical trial costs	775		—
	$	3,403	$	2,832

Accrued Expenses (in thousands)



	December 31,
	2015		2014
Accrued product returns	$	1,985	$	4,694
Accrued interest expense, current portion	178		32
Accrued clinical trial costs	1,162		554
Other accrued expenses	1,292		736
	$	4,617	$	6,016

Other Long-Term Liabilities (in thousands)



	December 31,
	2015		2014

Deferred rent	$	767	$	664
Accretion of terminal fee due at maturity on term loan	407		—
Asset retirement obligation	371		325
Other long-term liabilities	43		64
	$	1,588	$	1,053