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Construction in Progress (Details Textual) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Xuzhou Huayu project [Member]
Construction in Progress (Textual)
Additional construction in progress	$ 12,090
Xuzhou Tian'an project [Member]
Construction in Progress (Textual)
Additional construction in progress	4,190
Boxing County Chengli project [Member]
Construction in Progress (Textual)
Additional construction in progress	$ 4,660

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- Definition

Additional construction in progress gross

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- References

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- Details

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X

- Details

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X

- Details

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