Income Tax (Details 1) - PRC [Member]	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Summary of reconciliation of PRC statutory rates to the company's effective tax rate
PRC statutory rate	25.00%	25.00%
Net operating losses for which no deferred tax assets was recognized	6.60%	6.40%
Other	(1.40%)	1.10%
Effective income tax rate	30.20%	32.50%

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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