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Subsequent Events (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Apr. 17, 2017 item $ / shares shares | Apr. 01, 2017 USD ($) | Apr. 02, 2016 USD ($)
Subsequent Events |  |  |
Legal expenses |  | $ 466 | $ 823
TRGP Agreement |  |  |
Subsequent Events |  |  |
Legal expenses |  | 4,200 |
Computershare Trust Company, N.A | Rights Agreement | Subsequent Event |  |  |
Subsequent Events |  |  |
Number of rights declared as dividend for each share | item | 1 |  |
Number of shares authorized for the issuance of each right | item | 1 |  |
Number of business days following a public announcement | 10 days |  |
Beneficial ownership percentage | 15.00% |  |
Number of business days following the commencement of a tender offer or exchange offer | 10 days |  |
Computershare Trust Company, N.A | Rights Agreement | Series A Preferred Stock | Subsequent Event |  |  |
Subsequent Events |  |  |
Number of shares that consits of each unit | shares | 0.001 |  |
Purchase price per unit | $ / shares | $ 6.56 |  |
TRGP | TRGP Agreement |  |  |
Subsequent Events |  |  |
Prepaid and other current assets |  | $ 700 |

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- Definition Number of rights authorized for the issuance of each share of the Company’s common stock issued by the company (except as otherwise provided in the Rights Agreement) between the Record Date and the Distribution Date. + References No definition available. + Details
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- Definition The number of rights the board of directors authorized and declared as dividend for each outstanding share of the Company’s common stock to stockholders as on the record date. + References No definition available. + Details
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- Definition Threshold number of business days (or such later date as may be determined by the Company’s board of directors) following the commencement of a tender offer or exchange offer that would result in a person or group becoming an Acquiring Person. + References No definition available. + Details
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- Definition Threshold number of business days following a public announcement that a person or group of affiliated or associated persons (an “Acquiring Person”) has acquired or otherwise obtained beneficial ownership interest in then outstanding shares of the Company’s common stock, + References No definition available. + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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