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Construction in Progress (Details Textual) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 USD ($)
Xuzhou Huayu project [Member] |
Construction Contracts [Line Items] |
Additional construction in progress | $ 7,740
Xuzhou Tian'an project [Member] |
Construction Contracts [Line Items] |
Additional construction in progress | 9,290
Boxing County Chengli [Member] |
Construction Contracts [Line Items] |
Additional construction in progress | $ 5,580

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