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Note 5 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Allocation of Net Proceeds from Preferred Stock Financing [Table Text Block]

Net proceeds after transaction costs			$	1,999,032
Less:	Fair value of warrants (recorded to Additional Paid-in Capital)			(1,127,418	)
	Beneficial conversion feature (recorded to Additional Paid-in Capital)			(762,667	)
Net proceeds allocated to preferred stock				108,947
Accretion of beneficial conversion feature (deemed dividend)				762,667
Initial carrying value of preferred stock				871,614
Conversions to common stock				(459,578	)
Carrying value of preferred stock at June 30, 2012			$	412,036

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

		Number of Shares				Weighted Average Exercise Price
Outstanding at December 31, 2011			928,242			$	5.43
Granted			20,000				0.94
Exercised			--				--
Forfeited or expired			(19,200	)			10.23
Outstanding at June 30, 2012			929,042			$	5.23
Exercisable at June 30, 2012			579,365			$	7.39

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

		Number of Shares				Weighted Average Exercise Price
Outstanding at December 31, 2011			1,870,559			$	7.96
Issued – Series A Warrants (1)			2,933,333				1.00
Issued – Series B Warrants (1)			2,933,333				0.75
Issued – Series C Warrants (1)			2,933,333				1.00
Issued – Other Warrants (2)			612,001				1.00
Exercised			--				--
Forfeited or expired			--				--
Outstanding at June 30, 2012			11,282,559			$	2.09
Exercisable at June 30, 2012			8,345,526			$	2.47

Common Stock Reserved for Future Issuance [Table Text Block]

Series A Convertible Preferred Stock			1,386,667
Common Stock Purchase Warrants			11,282,559
Equity Incentive Plans			1,197,529
Total			13,866,755

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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