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Stockholder Rights Plan - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2016 purchase_right vote $ / shares $ / Warrant shares
Equity [Abstract] |
Common stock, number of preferred stock purchase rights per share of common stock held | purchase_right | 1
Portion of preferred share purchase right entitled to holder | shares | 0.0001
Purchase price of Preferred Stock as per plan | $ 325
Common stock, number of voting rights per share of common stock held | vote | 1
Percentage common stock to acquired to exercise stock rights | 20.00%
Price worth of surviving company common stock | $ / Warrant | 300.00
Purchase price of Preferred Stock as per plan if acquired | $ 150.00
Redemption price of stock holder rights plan | $ 0.01
Percentage of beneficial ownership | 20.00%

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- Definition Class Of Warrant Or Right Value Of Stock Common Stock Acquired Upon Exercise + References No definition available. + Details
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- Definition Class of Warrant or Right, Exercise Price of Warrants or Rights if Acquired + References No definition available. + Details
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- Definition Common Stock, Number of Preferred Stock Purchase Rights per Share of Common Stock Held + References No definition available. + Details
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- Definition Common Stock, Number of Voting Rights per Share of Common Stock Held + References No definition available. + Details
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- Definition Percentage common stock to acquired to exercise stock rights. + References No definition available. + Details
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- Definition Percentage of beneficial ownership. + References No definition available. + Details
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- Definition Redemption price of Stock holder rights plan. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: 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.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: 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.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- References No definition available. + Details
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