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Note 11 - Provision for Income Taxes	12 Months Ended
Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	Note 11. Provision for Income Taxes Given our historical losses from operations, income taxes have been limited to the minimum franchise tax assessed by the State of California. At December 31, 2014, we had federal and California tax net operating loss carry-forwards of approximately $42 million. Due to changes in our ownership through various common stock issuances during 2002 and 2007, the utilization of net operating loss carry-forwards may be subject to annual limitations and discounts under provisions of the Internal Revenue Code. Such limitations could result in the permanent loss of a significant portion of the net operating loss carry-forwards. Realization of our deferred tax assets, which relate to operating loss carry-forwards and timing differences, is dependent on future earnings. The timing and amount of future earnings are uncertain and therefore we have established a 100% valuation allowance. At December 31, 2014, our U.S. Federal and California State income tax returns related to the years 2010-2013 remain open to examination by tax authorities. However, given our history of net operating losses, as discussed above, the statute of limitations could remain open to examine years prior to 2007 for the year(s) in which net operating losses were originally incurred if/when we reach profitability and begin to utilize our net operating losses to offset taxable income.

Note 11 - Provision for Income Taxes

12 Months Ended

Dec. 31, 2014

Note 11. Provision for Income Taxes

Given our historical losses from operations, income taxes have been limited to the minimum franchise tax assessed by the State of California.

At December 31, 2014, we had federal and California tax net operating loss carry-forwards of approximately $42 million. Due to changes in our ownership through various common stock issuances during 2002 and 2007, the utilization of net operating loss carry-forwards may be subject to annual limitations and discounts under provisions of the Internal Revenue Code. Such limitations could result in the permanent loss of a significant portion of the net operating loss carry-forwards. Realization of our deferred tax assets, which relate to operating loss carry-forwards and timing differences, is dependent on future earnings. The timing and amount of future earnings are uncertain and therefore we have established a 100% valuation allowance.

At December 31, 2014, our U.S. Federal and California State income tax returns related to the years 2010-2013 remain open to examination by tax authorities. However, given our history of net operating losses, as discussed above, the statute of limitations could remain open to examine years prior to 2007 for the year(s) in which net operating losses were originally incurred if/when we reach profitability and begin to utilize our net operating losses to offset taxable income.

- 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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