Acquisition (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Assets
Goodwill	$ 645us-gaap_Goodwill	$ 0us-gaap_Goodwill
Fujian Qiaolong Acquisition [Member]
Total purchase price:
Cash consideration paid to acquire ownership interest	3,007
Assets
Cash and cash equivalents	31
Current assets, net of cash acquired	8,428
Deferred tax asset	69
Property and equipment	3,694
Intangible assets	864
Goodwill	642
Total assets consolidated into the Company	13,728
Liabilities
Current liabilities, excluding current deferred tax liabilities	(7,352)
Deferred tax liabilities	(448)
Other liabilities	(128)
Total liabilities consolidated into the Company	(7,928)
Non-controlling interests at fair value	(2,793)
Total equity consolidated into the Company	$ (3,007)

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. 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.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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