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Note S - Securities Excluded from the Diluted Per Share Calculation (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Exercise Price Less Than Average Market Price Of Common Shares [Member] | Preferred Stock [Member] |  |
Antidilutive securities (in shares) | 10,309,132 |
Exercise Price Less Than Average Market Price Of Common Shares [Member] | Employee Stock Option [Member] |  |
Antidilutive securities (in shares) | 55,664 | 516,214
Exercise Price Less Than Average Market Price Of Common Shares [Member] | Warrant [Member] |  |
Antidilutive securities (in shares) |  | 2,013,491
Exercise Price Greater Than Average Market Price Of Common Shares [Member] | Employee Stock Option [Member] |  |
Antidilutive securities (in shares) | 2,838,333 | 1,615,000
Exercise Price Greater Than Average Market Price Of Common Shares [Member] | Warrant [Member] |  |
Antidilutive securities (in shares) | 20,455,414 | 7,084,580
Exercise Price Greater Than Average Market Price Of Common Shares [Member] |  |
Antidilutive securities (in shares) | 23,293,747 | 8,699,580
Exercise Price Less Than Market Price of Common Shares [Member] |  |
Antidilutive securities (in shares) | 10,364,796 | 2,529,705

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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