6. Balance Sheet Details

The following table provides details of selected balance sheet items (in thousands):


	June 29, 2013			December 29, 2012
Inventory
Raw materials	$	9,792		$	13,003
Work in process		41,048			57,281
Finished goods ⁽¹⁾		70,477			57,525

Total inventory	$	121,317		$	127,809


Property, plant and equipment, net:
Computer hardware	$	8,920		$	9,024
Computer software		16,296			15,834
Laboratory and manufacturing equipment		133,973			120,543
Furniture and fixtures		1,345			1,285
Leasehold improvements		34,566			33,370
Construction in progress		11,996			17,513

Subtotal	$	207,096		$	197,569
Less accumulated depreciation and amortization		(128,705	)		(117,226	)

Total property, plant and equipment, net	$	78,391		$	80,343


Accrued expenses:
Loss contingency related to non-cancelable purchase commitments	$	5,525		$	5,401
Professional and other consulting fees		1,605			3,703
Taxes payable		1,707			3,588
Royalties		1,150			1,516
Accrued rebate and customer prepay liability		611			1,284
Other accrued expenses		7,623			9,991

Total accrued expenses	$	18,221		$	25,483

⁽¹⁾	Included in finished goods inventory at June 29, 2013 and December 29, 2012 were $20.3 million and $15.6 million, respectively, of inventory at customer locations for which product acceptance had not occurred.

The Company had $3.6 million of standby letters of credit outstanding as of June 29, 2013 and December 29, 2012. These consisted of $1.5 million related to a value added tax license, $1.4 million related to a customer proposal guarantee and $0.7 million related to property leases.