Balance Sheet Details

Inventories

Inventories are comprised of the following:



	March 31, 2013		December 31, 2012
Materials	$	36,065	$	31,629
Work-in-process	19,836		15,889
Finished goods	14,374		15,904
Total inventories	$	70,275	$	63,422

The Company has established reserves of $5,782 and $5,620 as of March 31, 2013 and December 31, 2012, 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, 2013			December 31, 2012
Land and building	$	4,997		$	4,997
Machinery and equipment	18,687			18,826
Furniture and fixtures	3,734			3,381
Computer equipment	7,948			7,789
Leasehold improvements	8,813			6,807
	44,179			41,800
Accumulated depreciation	(30,801		)	(29,891		)
Total property, plant and equipment, net	$	13,378		$	11,909

Other assets

Other assets is comprised of the following:



	March 31, 2013		December 31, 2012
Deferred income taxes	$	34,442	$	34,600
Capitalized software	111		201
Other	1,912		1,893
Total other assets	$	36,465	$	36,694

Other current liabilities

Other current liabilities is comprised of the following:



	March 31, 2013		December 31, 2012
Litigation accrual	$	4,293	$	4,293
Income tax payable	—		1,823
Deferred revenue	9,814		11,170
Other	4,083		4,066
Total other current liabilities	$	18,190	$	21,352

Other non-current liabilities

Other non-current liabilities is comprised of the following:



	March 31, 2013		December 31, 2012
Unrecognized tax benefits (including interest)	$	7,968	$	7,671
Other	2,050		2,166
Total other non-current liabilities	$	10,018	$	9,837