Balance Sheet Details

Inventories

The following is a summary of the components of inventories:



	September 30, 2011		December 31, 2010
Materials	$	29,403	$	25,579
Work-in-process	13,228		13,480
Finished goods	15,152		13,252
Total inventories	$	57,783	$	52,311

The Company has established reserves of $8,709 and $7,536 as of September 30, 2011 and December 31, 2010, respectively, for slow moving and obsolete inventory, which are included in the amounts above.

Property, Plant and Equipment

The following is a summary of the components of property, plant and equipment, net:



	September 30, 2011			December 31, 2010
Land and building	$	4,997		$	4,997
Machinery and equipment	15,707			15,547
Furniture and fixtures	3,318			2,944
Computer equipment	6,829			6,375
Leasehold improvements	6,330			6,314
	37,181			36,177
Accumulated depreciation	(25,618		)	(22,500		)
Total property, plant and equipment, net	$	11,563		$	13,677

Other non-current liabilities

The following is a summary of the components of other non-current liabilities:



	September 30, 2011		December 31, 2010
Unrecognized tax benefits (including interest)	$	5,002	$	4,831
Other	2,279		2,404
Total other non-current liabilities	$	7,281	$	7,235