BALANCE SHEET DETAILS

At December 31, 2014 and 2013, we had restricted cash of $2.0 million and $2.1 million, respectively, which is primarily related to secured standby letters of credit for our long-term leases. Accordingly, such amounts are classified as long term in the accompanying consolidated balance sheets. See Note 7. Commitments and Contingencies for additional details related to the standby letters of credit.

Components of inventories as of December 31 are shown below (in thousands):



	2014		2013
Inventories:
Purchased parts and raw materials	$	28,143	$	26,842
Work-in-process	10,832		4,260
Finished goods	1,604		3,024
	$	40,579	$	34,126

Components of prepaid expenses and other current assets as of December 31 are shown below (in thousands):



	2014		2013
Prepaid expenses and other current assets:
Value-added tax	$	4,184	$	2,134
Other current assets	5,583		3,133
	$	9,767	$	5,267

Components of property and equipment as of December 31 are shown below (in thousands):



	2014			2013
Property and equipment, net:
Machinery and equipment	$	40,777		$	42,329
Furniture and fixtures	9,079			9,908
Leasehold improvements	17,646			18,626
	67,502			70,863
Less: accumulated depreciation	(59,968		)	(61,647		)
	$	7,534		$	9,216

Components of other current liabilities as of December 31 are shown below (in thousands):



	2014		2013
Other current liabilities:
Warranty	$	2,803	$	1,786
Value-added tax	1,547		358
Accrued restructuring charge - current	366		812
Other	1,914		1,166
	$	6,630	$	4,122