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Income Taxes (Details Textual) - USD ($)
 3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Income Taxes (Textual)    
Net operating loss carryforwards for PRC tax $ 54,200,000  
Valuation allowance for deferred tax assets $ 27,722,851 $ 26,990,951
Enterprise income tax rate 25.00%  
Net operating loss expiration, description The Company had net operating loss carryforwards for PRC tax purposes of approximately $54.2 million which are available to offset any future taxable income through 2024. Approximately $4.0 million of these carryforwards will expire in 2019. The Company also has net operating losses for United States federal income tax purposes of approximately $5.8 million which are available to offset future taxable income, if any, through 2039.  
Description of federal corporate income tax rate The U.S. Tax Reform significantly modified the U.S. Internal Revenue Code by, among other things, reducing the statutory U.S. federal corporate income tax rate from 35% to 21% for taxable years beginning after December 31, 2017; limiting and/or eliminating many business deductions; migrating the U.S. to a territorial tax system with a one-time transition tax on a mandatory deemed repatriation of previously deferred foreign earnings of certain foreign subsidiaries; subject to certain limitations, generally eliminating U.S. corporate income tax on dividends from foreign subsidiaries; and providing for new taxes on certain foreign earnings.