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Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) | Jul. 21, 2016 $ / shares | Dec. 31, 2016 $ / shares | Dec. 31, 2015 $ / shares
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Statement Of Stockholders Equity [Abstract] |  |  |
Common stock issued, par value | $ 0.01 | $ 0.01 | $ 0.01
Reverse stock split ratio | 0.0625 |  |

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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