Income Taxes	3 Months Ended
Mar. 31, 2013
Income Taxes
Income Taxes	11. Income Taxes The effective tax rate for 2012 and 2011 reflects the recognition of expected federal alternative minimum tax liabilities and interim period tax benefits and changes to the tax valuation allowance. The Company uses a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Interest accrued related to unrecognized tax benefits is recognized as interest expense and penalties are recognized in general and administrative expense in the Company’s condensed consolidated statements of comprehensive income (loss); and such amounts are included in income taxes payable on the Company’s condensed consolidated balance sheets. At March 31, 2013, the Company had a liability of $248,000 for unrecognized tax benefits and accrued interest thereon of $914,000. At March 31, 2013 there were no unrecognized tax benefits for which the liability for such taxes were recognized as deferred tax liabilities; and the unrecognized tax benefits, if recognized, would affect the effective tax rate.

Income Taxes

3 Months Ended

Mar. 31, 2013

11. Income Taxes

The effective tax rate for 2012 and 2011 reflects the recognition of expected federal alternative minimum tax liabilities and interim period tax benefits and changes to the tax valuation allowance.

The Company uses a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Interest accrued related to unrecognized tax benefits is recognized as interest expense and penalties are recognized in general and administrative expense in the Company’s condensed consolidated statements of comprehensive income (loss); and such amounts are included in income taxes payable on the Company’s condensed consolidated balance sheets.

At March 31, 2013, the Company had a liability of $248,000 for unrecognized tax benefits and accrued interest thereon of $914,000. At March 31, 2013 there were no unrecognized tax benefits for which the liability for such taxes were recognized as deferred tax liabilities; and the unrecognized tax benefits, if recognized, would affect the effective tax rate.