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Stockholders' Equity (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 Vote $ / Right shares | Dec. 31, 2014 shares | Oct. 31, 2012 $ / shares shares
Class of Stock [Line Items] |  |  |
Number of votes | Vote | 100 |  |
Shares of Class A Preferred Stock Available Per Right | 0.01 |  |
Threshold of days following requirements for exercise rights | 10 days |  |
Redemption price per right | $ / Right | 0.01 |  |
Purchase price of preferred stock per Unit | $ / shares |  |  | $ 220
Preferred stock, shares authorized | 1,000,000 | 1,000,000 |
Preferred Class A |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, shares authorized | 200,000 | 200,000 | 200,000
Minimum |  |  |
Class of Stock [Line Items] |  |  |
Threshold of common stock percentage for common stock diluted | 15.00% |  |
Ownership percentage of common stock | 15.00% |  |
Threshold of beneficial ownership of outstanding common stock for the Rights exchanging | 15.00% |  |
Threshold of percentage of assets or earning power sold or transferred for merger | 50.00% |  |
Threshold of prior acquisition common stock percentage for the Right exchanging | 50.00% |  |
Plan Amendment [Member] |  |  |
Class of Stock [Line Items] |  |  |
Purchase price of preferred stock per Unit | $ / shares |  |  | $ 80
Plan Amendment [Member] | Preferred Class A |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock, shares authorized |  |  | 100,000

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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + 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 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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