Income Tax (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2013
Income Tax (Textual)
Effective income tax rate	59.30%	83.50%
Net operating losses	$ 14,050
Deferred tax asset valuation allowance	100.00%
Operating income loss carryforwards, period	20 years
Chinese subsidiaries [Member]
Income Tax (Textual)
Effective income tax rate	25.00%
Yinghua and Shanghai TCH [Member]
Income Tax (Textual)
Effective income tax rate	25.00%	25.00%
Xi'an TCH [Member]
Income Tax (Textual)
Effective income tax rate			25.00%	15.00%
Huahong, Zhonghong and Erdos TCH [Member]
Income Tax (Textual)
Effective income tax rate	25.00%	25.00%