Balance Sheet Details

Inventories

Inventories are comprised of the following:



	March 31, 2012		December 31, 2011
Materials	$	29,921	$	27,153
Work-in-process	13,277		11,172
Finished goods	9,956		11,176
Total inventories	$	53,154	$	49,501

The Company has established reserves of $7,902 and $7,927 as of March 31, 2012 and December 31, 2011, respectively, for slow moving and obsolete inventory, which are included in the amounts above.

Property, Plant and Equipment

Property, plant and equipment, net is comprised of the following:



	March 31, 2012			December 31, 2011
Land and building	$	4,997		$	4,997
Machinery and equipment	16,897			17,514
Furniture and fixtures	3,381			3,384
Computer equipment	6,502			6,350
Leasehold improvements	6,306			6,329
	38,083			38,574
Accumulated depreciation	(27,006		)	(26,044		)
Total property, plant and equipment, net	$	11,077		$	12,530

Other assets

Other assets is comprised of the following:



	March 31, 2012		December 31, 2011
Deferred income taxes	$	12,226	$	12,240
Capitalized software	472		562
Other	5,282		5,172
Total other assets	$	17,980	$	17,974

Other current liabilities

Other current liabilities is comprised of the following:



	March 31, 2012		December 31, 2011
Litigation accrual	$	4,293	$	4,293
Deferred revenue	7,367		7,332
Other	3,483		5,031
Total other current liabilities	$	15,143	$	16,656

Other non-current liabilities

Other non-current liabilities is comprised of the following:



	March 31, 2012		December 31, 2011
Unrecognized tax benefits (including interest)	$	6,592	$	6,574
Other	2,101		2,178
Total other non-current liabilities	$	8,693	$	8,752