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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 |  |  |

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