Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 35,269	$ 57,101
Short-term investments		17,916
Restricted cash and investments	10,401	2,138
Accounts receivable, net of allowance for doubtful accounts	79,174	64,533
Inventories, net	58,819	64,908
Prepaid expenses and other current assets	13,830	9,977
Total current assets	197,493	216,573
Property, plant and equipment, net	62,352	68,851
Restricted cash and investments, non-current	12,250
Purchased intangible assets, net	11,600	15,005
Other long-term assets	1,959	1,798
Total assets	285,654	302,227
Current liabilities:
Accounts payable	52,378	48,569
Notes payable and short-term borrowing	20,677	9,738
Current portion of long-term debt	10,198	10,325
Accrued and other current liabilities	19,002	23,643
Total current liabilities	102,255	92,275
Long-term debt, net of current portion	15,448	24,150
Deferred income tax liabilities	1,165	1,004
Other noncurrent liabilities	7,634	7,987
Total liabilities	126,502	125,416
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.0025 par value At September 30, 2014 and December 31, 2013: 10,000 shares authorized, no shares issued or outstanding
Common stock, $0.0025 par value At September 30, 2014: 100,000 shares authorized, 32,523 shares issued and outstanding; At December 31, 2013: 100,000 shares authorized, 31,572 shares issued and outstanding	81	79
Additional paid-in capital	454,108	447,467
Accumulated other comprehensive income	8,689	11,687
Accumulated deficit	(303,726)	(282,422)
Total stockholders’ equity	159,152	176,811
Total liabilities and stockholders’ equity	$ 285,654	$ 302,227