Taxation (Details Textual) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
	May 01, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2018
Schedule Of Taxation [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent				34.00%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ 200,000	$ 200,000	$ 400,000	$ 300,000
Scenario, Plan [Member]
Schedule Of Taxation [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent						21.00%
HONG KONG
Schedule Of Taxation [Line Items]
Corporate Income Tax Percentage				16.50%
Operating Loss Carryforwards		6,522,195		$ 6,522,195
CHINA
Schedule Of Taxation [Line Items]
Income Tax Exemption Percentage				15.00%
Operating Loss Carryforwards		2,814,462		$ 2,814,462
Operating Loss Carryforwards, Expiration Year				2022
CHINA | National High-tech Enterprise [Member]
Schedule Of Taxation [Line Items]
Income Tax Exemption Percentage				15.00%
Income Tax Exemption Percentage After Expiration				25.00%
UNITED STATES
Schedule Of Taxation [Line Items]
Operating Loss Carryforwards		$ 1,280,635		$ 1,280,635
Maximum [Member]
Schedule Of Taxation [Line Items]
Value Added Tax Percentage Of Revenue	17.00%
Minimum [Member]
Schedule Of Taxation [Line Items]
Value Added Tax Percentage Of Revenue	16.00%