Income Taxes	3 Months Ended
Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income Taxes	6. Income Taxes At December 31, 2019, we had federal and state net operating loss carryforwards of $321.8 million and $246.7 million, respectively, available to offset against future taxable income, which expire in 2024 through 2037, of which $249.1 million and $235.6 million, respectively, are not subject to limitation under Section 382 of the Internal Revenue Code.

- 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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