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Note 11 - Per Share Data (Details)	12 Months Ended
Note 11 - Per Share Data (Details)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 11 - Per Share Data (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	48,312,435	29,583,046	21,660,400
Equity Option [Member]
Note 11 - Per Share Data (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	17,053,116	15,878,116	15,455,470
Warrant [Member]
Note 11 - Per Share Data (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,172,930	6,204,930	6,204,930
Convertible Debt Securities [Member]
Note 11 - Per Share Data (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	30,086,389	7,500,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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