Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Cash and Cash Equivalents and Restricted Cash (Details) $ in Thousands, ¥ in Millions	Sep. 30, 2016 USD ($)	Sep. 26, 2016 USD ($)	Sep. 26, 2016 CNY (¥)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 04, 2015 USD ($)	Dec. 31, 2014 USD ($)
Cash and Cash Equivalents [Line Items]
Total cash and cash equivalents	$ 48,141			$ 52,966	$ 64,308		$ 112,521
Restricted Cash [Abstract]
Long-term restricted cash	4,797			0
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| Guangzhou Factory [Member]
Restricted Cash [Abstract]
Long-term restricted cash		$ 4,800	¥ 32
Surety Bond [Member]
Restricted Cash [Abstract]
Restricted cash						$ 4,600
United States [Member]
Cash and Cash Equivalents [Line Items]
Total cash and cash equivalents	3,499			8,458
People's Republic of China [Member]
Cash and Cash Equivalents [Line Items]
Total cash and cash equivalents	20,613			28,681
Asia (excluding PRC) [Member]
Cash and Cash Equivalents [Line Items]
Total cash and cash equivalents	5,486			5,346
Europe [Member]
Cash and Cash Equivalents [Line Items]
Total cash and cash equivalents	15,289			8,093
South America [Member]
Cash and Cash Equivalents [Line Items]
Total cash and cash equivalents	$ 3,254			$ 2,388