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Income Taxes (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Income Taxes (Textual) |  |  |  |  |
Statutory tax rate | 25.00% |  | 25.00% |  |
Effective income tax rate | 11.70% |  | 24.10% |  |
Income tax, statute of limitations period | 5 years |  |  |  |
Income tax expense | $ (538,969) |  | $ 543,282 |  |
Federal taxation cash provided |  |  |  | $ 6,528 |
Minimum [Member] |  |  |  |  |
Income Taxes (Textual) |  |  |  |  |
Effective income tax rate | 35.00% |  |  |  |
Maximum [Member] |  |  |  |  |
Income Taxes (Textual) |  |  |  |  |
Effective income tax rate | 21.00% |  |  |  |
United States [Member] |  |  |  |  |
Income Taxes (Textual) |  |  |  |  |
Statutory tax rate | 34.00% |  |  |  |
State tax rates | 0.00% |  |  |  |
Income tax expense |  | $ 80,000 |  |  |
PRC [Member] |  |  |  |  |
Income Taxes (Textual) |  |  |  |  |
Statutory tax rate | 25.00% |  |  |  |
Net operating losses |  |  |  |  | $ 6,710,939
Percentage of valuation allowance |  |  |  |  | 100.00%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: 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 + Details
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