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Condensed Consolidated Statements of Stockholders' Equity Deficit (Parenthetical) | May 02, 2018 | Nov. 06, 2017 | Jul. 21, 2016 $ / shares | Mar. 31, 2018 $ / shares | Dec. 31, 2017 $ / shares | Dec. 31, 2016 $ / shares
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Reverse stock split ratio |  | 0.0029 | 0.0625 |  |  |
Common stock issued, par value |  |  | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.01
Subsequent Event [Member] |  |  |  |  |  |
Reverse stock split ratio | 0.002 |  |  |  |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
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