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Note 4 - Income Taxes	3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	4. Income Taxes Provision for income taxes is based upon the estimated annual effective income tax rate. The effective income tax rate for the three months ended March 31, 2014 and 2013 was (9.9%) and (0.4%), respectively. For the three months ended March 31, 2014, the difference in the effective income tax rate from the statutory rate is primarily due to a decrease in the deferred tax asset valuation allowance and permanent timing differences between expenses recorded for financial and tax reporting. For the three months ended March 31, 2013, the difference in the effective income tax rate from the statutory rate is primarily due to an increase in the deferred tax asset valuation allowance offsetting the net operating loss carryforward generated in that period.

Note 4 - Income Taxes

3 Months Ended

Mar. 31, 2014

4. Income Taxes

Provision for income taxes is based upon the estimated annual effective income tax rate. The effective income tax rate for the three months ended March 31, 2014 and 2013 was (9.9%) and (0.4%), respectively. For the three months ended March 31, 2014, the difference in the effective income tax rate from the statutory rate is primarily due to a decrease in the deferred tax asset valuation allowance and permanent timing differences between expenses recorded for financial and tax reporting. For the three months ended March 31, 2013, the difference in the effective income tax rate from the statutory rate is primarily due to an increase in the deferred tax asset valuation allowance offsetting the net operating loss carryforward generated in that period.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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