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Income Taxes

At June 30, 2014 and December 31, 2013, respectively, we had no material unrecognized tax benefits or accrued interest and penalties. Tax years 2010 through 2013 remained open for examination at June 30, 2014. We provide a valuation allowance when we believe it is more likely than not that we will not realize some portion of our tax asset. We established a valuation allowance of $440,778 related to a portion of the net operating loss carryforward of Le Mars at January 1, 2004. We have determined that we are not required to establish a valuation allowance for the other net deferred tax assets of $40.2 million and $39.6 million at June 30, 2014 and December 31, 2013, respectively, because it is more likely than not that we will realize these deferred tax assets through reversals of existing temporary differences, future taxable income and the implementation of tax planning strategies. We also have a net operating loss carryforward of $4.7 million related to Le Mars, which will begin to expire in 2020 if not previously utilized. This carryforward is subject to an annual limitation in the amount that we can use in any one year of approximately $376,000. We also have an alternative minimum tax credit carryforward of $10.0 million with an indefinite life.