Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Deficit)

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Shareholders' Equity (Deficit)
12 Months Ended
Dec. 31, 2016
Shareholders' Equity (Deficit) [Abstract]  
Shareholders' Equity (Deficit)

11. SHAREHOLDERS’ EQUITY (DEFICIT)

Preferred stockAuthorized preferred stock consists of 500,000 shares with a par value of $25 per share. No shares of preferred stock were issued and outstanding as of December 31, 2016 or 2015.  

Treasury stockIn the years ended December 31, 2016, 2015 and 2014, we withheld 40,926, 120,455 and 231,142 shares, respectively, in cashless stock option exercises and to satisfy tax withholding obligations related to stock option exercises.