v3.3.1.900

Note 16 - Income Taxes (Details) - Effective Income Tax Reconciliation - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Effective Income Tax Reconciliation [Abstract] |  |  |
Tax at federal statutory rate |  | $ (740,000) | $ (967,000)
State taxes, net of federal benefit |  | (117,000) | (160,000)
Research and development credits |  |  | (12,000)
Fair market value of warrants & derivatives |  | 17,000 | (22,000)
Stock-based compensation |  | 51,000 | 29,000
Other permanent items |  | 10,000 | 1,000
Valuation allowance |  | 779,000 | 1,131,000
Income tax provision | $ 0 | $ 0 | $ 0

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