Accrued Expenses and Other Payables (Narrative) (Details) - USD ($)		1 Months Ended
	Nov. 09, 2007	May 31, 2017	Jul. 28, 2016	Jan. 20, 2015	Sep. 30, 2018	Dec. 31, 2017	Dec. 21, 2007	Dec. 08, 2006
Liquidated damages					$ 1,210,119	$ 1,210,119	$ 561,174	$ 1,051,000
Proceeds from Issuance of Private Placement	$ 13,650,000	$ 9,600,000	$ 5,520,000	$ 17,000,000
Stock Issued During Period, Shares, New Issues	3,500,000	6,403,518	2,206,640	1,720,087
Sale of Stock, Price Per Share	$ 3.90	$ 1.50	$ 2.5
Payments of Stock Issuance Costs	$ 819,000
Liquidated damages, percentage of aggregate purchase price on one month anniversary	1.50%
Liquidated damages, percentage of aggregate purchase price every thirtieth day thereafter	1.50%
Liquidated damages, percentage of aggregate purchase price the ten-month anniversary and every thirtieth day thereafter	0.50%
Liquidated damages, interest rate	1.00%
Other payables and accruals					$ 159,000