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Note 7 - Earnings (Loss) Per Share - Diluted Net Earnings (Loss) Per Share (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock options (in shares)	610,000	4,310,299
Convertible Debt Securities [Member]
Stock options (in shares)		3,562,299
Restricted Stock [Member]
Stock options (in shares)		103,000
Stock Compensation Plan [Member]
Stock options (in shares)	610,000	645,000

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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