Income Taxes	6 Months Ended
Jun. 30, 2017
Notes to Financial Statements
INCOME TAXES	2. INCOME TAXES The Company has substantial U.S. net operating loss carryforwards that will expire in 2023 through 2035. These carryforwards are subject to certain limitations on annual utilization and in the event of a change in ownership, as defined by tax law. See Note 2 to the Company's financial statements in its Form 10-K for the year ended December 31, 2016. The Company's income tax returns remain subject to examination for the years 2013 through 2016 for federal and state purposes.

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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