Statutory Reserves (Details Textual)	12 Months Ended
Dec. 31, 2017
Surplus Reserve Fund [Member]
Statutory Reserves (Textual)
Description of fund	<div>The Company’s Chinese subsidiaries are required to transfer 10% of their net income, as determined under PRC accounting rules and regulations, to a statutory surplus reserve fund until such reserve balance reaches 50% of the Company’s registered capital.</div>
Total reserve percentage, description	<p> The remaining reserve balance after such issue is not less than 25% of the registered capital.</p>
Common Welfare Fund [Member]
Statutory Reserves (Textual)
Description of fund	<div>The common welfare fund is a voluntary fund to which the Company can transfer 5% to 10% of its net income.</div>

<p> The remaining reserve balance after such issue is not less than 25% of the registered capital.</p>