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Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	(12) Income Taxes During the three months ended June 30, 2013, the Company recorded $80,000 of income tax expense for U.S. federal income tax provision. During the three months ended June 30, 2012, the Company recorded $33,000 of income tax expense related to foreign jurisdictions. During the three months ended June 30, 2012, the Company recorded no income tax expense because the estimated annual effective tax rate was zero. During the six months ended June 30, 2013 and 2012, the Company recorded income tax expense of $213,000 and $33,000, respectively. As of June 30, 2013, the Company continues to provide a valuation allowance against its net deferred tax assets since the Company believes it is more likely than not that its deferred tax assets will not be realized.

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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