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Note 6 - Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2014

Stockholders' Equity Note [Abstract]

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

		Number of Shares				Weighted Average Exercise Price
Outstanding at December 31, 2013			1,197,044			$	3.79
Granted			7,500				0.29
Exercised			--				--
Forfeited or expired			(223,245	)			1.91
Outstanding at June 30, 2014			981,299			$	4.19
Exercisable at June 30, 2014			624,793			$	6.23

Schedule of Stock by Class [Table Text Block]

Series B Convertible Preferred Stock			3,514,286
Common Stock Purchase Warrants			8,284,826
Equity Incentive Plans			1,197,529
Total			12,996,641

X

- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

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