Consolidated Balance Sheets - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 58,528,000	$ 82,500,000
Short-term investments	12,281,000	19,015,000
Restricted cash	2,917,000	4,085,000
Accounts receivable, net of allowance for doubtful accounts	67,003,000	80,610,000
Inventories	82,809,000	48,237,000
Assets held for sale	0	13,953,000
Prepaid expenses and other current assets	34,568,000	22,396,000
Total current assets	258,106,000	270,796,000
Property, plant and equipment, net	127,316,000	106,867,000
Purchased intangible assets, net	4,594,000	5,562,000
Goodwill	1,115,000	1,115,000
Other long-term assets	6,858,000	6,547,000
Total assets	397,989,000	390,887,000
Current liabilities:
Accounts payable	69,771,000	84,766,000
Notes payable and short-term borrowing	19,630,000	30,190,000
Current portion of long-term debt	5,740,000	747,000
Accrued and other current liabilities	44,743,000	30,625,000
Total current liabilities	139,884,000	146,328,000
Long-term debt, net of current portion	41,029,000	10,215,000
Other noncurrent liabilities	14,959,000	8,939,000
Total liabilities	195,872,000	165,482,000
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.0025 par value, 10,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.0025 par value, 100,000 shares authorized; At September 30, 2017, 43,909 shares issued and and outstanding; at December 31, 2016, 42,526 shares issued and outstanding	110,000	106,000
Additional paid-in capital	542,029,000	532,378,000
Accumulated other comprehensive loss	(2,294,000)	(8,401,000)
Accumulated deficit	(337,728,000)	(298,678,000)
Total stockholders’ equity	202,117,000	225,405,000
Total liabilities and stockholders’ equity	$ 397,989,000	$ 390,887,000