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Income Taxes
9 Months Ended
Sep. 30, 2013
Income Taxes [Abstract]  
Income Taxes
Note 7.                          Income Taxes

The income tax provision for interim periods is determined using an estimated annual effective tax rate adjusted for discrete items, if any, which are taken into account in the quarterly period in which they occur.  We review and update our estimated annual effective tax rate each quarter.  In determining the estimated annual effective rate, we analyze various factors, including but not limited to, projections of our operating income, permanent and temporary differences, and the likelihood of recovering deferred income taxes generated during the current year.  Our estimated annual effective tax rate was primarily impacted by the permanent item related to the noncash interest of our redeemable preferred stock. For the three and nine months ended September 30, 2013, a deferred tax benefit was primarily driven by applying our annual effective tax rate against the year-to-date pre-tax loss which is expected to offset fourth quarter pre-tax income for the current year.  Accordingly, we recorded approximately $4.4 million and $7.4 million income tax benefit for the three and nine months ended September 30, 2013, respectively.  We recorded an approximately $1.1 million and $4.6 million income tax provision for the three and nine months ended September 30, 2012, respectively.

We adopted the provisions of ASC 740 as of January 1, 2007 and determined that there were approximately $582,000 and $534,000 of unrecognized tax benefits required to be recorded as of September 30, 2013 and December 31, 2012, respectively.  The period for which tax years are open, 2009 to 2012, has not been extended beyond applicable statute of limitations.