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Income Taxes (Details Textual) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Taxes (Textual) |  |  |
Hong Kong tax rate | 16.50% | 16.50% | 16.50%
Federal and state income tax at statutory rate | 21.00% |  |
Preferential tax rate percentage, description | The law applies a uniform 25% enterprise income tax rate to both foreign invested enterprises and domestic enterprises. According to the tax law, entities that qualify as high and new technology enterprises ("HNTE") supported by the PRC government are allowed a 15% preferential tax rate instead of the uniform tax rate of 25%. | On December 2, 2016, Tiandihui was granted the HNTE designation jointly by Qingdao science and Technology Bureau, Qingdao Municipal Finance Bureau, Qingdao Municipal State Taxation Bureau, Qingdao Local Taxation Bureau, and would be qualified for a preferential tax rate of 15% for the years ended December 31, 2016, 2017 and 2018. |

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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