Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 81,699	$ 82,500
Short-term investments	6,047	19,015
Restricted cash	3,714	4,085
Accounts receivable, net of allowance for doubtful accounts	70,877	80,610
Inventories	69,159	48,237
Assets held for sale		13,953
Prepaid expenses and other current assets	26,797	22,396
Total current assets	258,293	270,796
Property, plant and equipment, net	122,208	106,867
Purchased intangible assets, net	5,204	5,562
Goodwill	1,115	1,115
Other long-term assets	6,449	6,547
Total assets	393,269	390,887
Current liabilities:
Accounts payable	82,750	84,766
Notes payable and short-term borrowing	29,484	30,190
Current portion of long-term debt	5,263	747
Accrued and other current liabilities	37,639	30,625
Total current liabilities	155,136	146,328
Long-term debt, net of current portion	6,028	10,215
Other noncurrent liabilities	12,836	8,939
Total liabilities	174,000	165,482
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $0.0025 par value, 10,000 shares authorized, no shares issued or outstanding
Common stock, $0.0025 par value, 100,000 shares authorized, At March 31, 2017, 42,664 shares issued and outstanding; at December 31, 2016, 42,526 shares issued and outstanding	107	106
Additional paid-in capital	535,292	532,378
Accumulated other comprehensive loss	(5,930)	(8,401)
Accumulated deficit	(310,200)	(298,678)
Total stockholders' equity	219,269	225,405
Total liabilities and stockholders' equity	$ 393,269	$ 390,887

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.