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Note 5 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Shares				Weighted Average Exercise Price
Outstanding at December 31, 2012			1,069,141			$	4.50
Granted			--				--
Exercised			--				--
Forfeited or expired			(59,099	)			4.59
Outstanding at June 30, 2013			1,010,042			$	4.50
Exercisable at June 30, 2013			692,866			$	6.16

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

		Number of Shares				Weighted Average Exercise Price
Outstanding at December 31, 2012			11,225,559			$	2.06
Issued			--				--
Exercised			(2,933,333	)			0.56
Forfeited or expired			--				--
Outstanding at June 30, 2013			8,292,226			$	3.47
Exercisable at June 30, 2013			8,292,226			$	3.47

Common Stock Reserved for Future Issuance [Table Text Block]

Common Stock Purchase Warrants			8,292,226
Equity Incentive Plans			1,197,529
Series A Convertible Preferred Stock			1,050,667
Total			10,540,422

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Tabular disclosure of common stock reserved for future issuance.

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