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Note 7 - Securities Excluded from the Diluted Per Share Calculation (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Exercise Price Less Than Average Market Price Of Common Shares [Member] | Preferred Stock [Member]
Antidilutive securities (in shares)	65,000,000		65,000,000
Exercise Price Less Than Average Market Price Of Common Shares [Member] | Employee Stock Option [Member]
Antidilutive securities (in shares)	156,483		41,934	34,349
Exercise Price Less Than Average Market Price Of Common Shares [Member] | Warrant [Member]
Antidilutive securities (in shares)
Exercise Price Less Than Average Market Price Of Common Shares [Member]
Antidilutive securities (in shares)	65,156,483		65,041,934	34,349
Exercise Price Greater Than Average Market Price Of Common Shares [Member] | Employee Stock Option [Member]
Antidilutive securities (in shares)	2,580,000	3,475,000	2,755,000	3,087,500
Exercise Price Greater Than Average Market Price Of Common Shares [Member] | Warrant [Member]
Antidilutive securities (in shares)	20,455,414	19,622,081	20,455,414	19,622,081
Exercise Price Greater Than Average Market Price Of Common Shares [Member]
Antidilutive securities (in shares)	23,035,414	23,097,081	23,210,414	22,709,581

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

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