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Income Tax (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2013
Income Taxes [Line Items]
Effective income tax rate	83.50%	19.50%
Net operating losses	$ 14,540
Deferred tax assets, valuation allowance, percentage	100.00%
Operating income loss carryforwards, Period	20 years
Shanghai TCH [Member]
Income Taxes [Line Items]
Effective income tax rate	25.00%	25.00%
Xi'an TCH [Member]
Income Taxes [Line Items]
Effective income tax rate	25.00%		15.00%
Erdos TCH Zhonghong Huahong [Member]
Income Taxes [Line Items]
Effective income tax rate	25.00%	25.00%

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Deferred Tax Assets, Valuation Allowance, Percentage

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 25
-Paragraph 20
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68052875&loc=d3e28680-109314

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319

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