Note 5 - Private Securities Offerings	6 Months Ended
Jun. 30, 2012
Debt Disclosure [Text Block]	Note 5. Private Securities Offerings Summer 2012 Offering Pursuant to a private offering of our common stock at a price of $0.40 per share that commenced May 2012 (the “Summer 2012 Offering”), through June 30, 2012, we sold 777,714 shares of our common stock at $0.40 per share to seven accredited investors and received $311,086 gross; $290,586 net proceeds from the sales. Each purchaser of stock in the Summer 2012 Offering will receive, for no additional consideration, a stock purchase warrant (the “Summer 2012 Warrant”) entitling the holder to purchase the same number of shares as purchased in the offering, for $0.55 per share until March 31, 2014. Winter 2012 Offering Pursuant to a private offering of our common stock at a price of $0.35 per share that commenced January 2012 and closed May 2012 (the “Winter 2012 Offering”), we sold 3,127,914 shares of our common stock at $0.35 per share to 30 accredited investors and received $1,094,765 gross; $1,030,265 net proceeds from the sales. Each purchaser of stock in the Winter 2012 Offering received, for no additional consideration, a stock purchase warrant (the “Winter 2012 Warrant”) entitling the holder to purchase the same number of shares as purchased in the offering, for $0.50 per share until January 31, 2013. (See Note 7.) Fall 2011 Offering Pursuant to a private offering of our common stock at a price of $0.35 per share that commenced September 2011 (the “Fall 2011 Offering”), we received subscriptions of $467,317 from 16 accredited investors for the purchase of an aggregate 1,335,201 shares of our common stock at $0.35 per share. In the year ended December 31, 2011, we received $370,723 gross proceeds and issued 1,059,215 shares of our common stock. In the six-month period ended June 30, 2012, we received the remaining $96,594 from subscriptions committed prior to the termination of the offering and issued 275,986 shares of our common stock. Each purchaser of stock in the Fall 2011 Offering received, for no additional consideration, a stock purchase warrant (the “Fall 2011 Warrant”) entitling the holder to purchase the same number of shares of common stock for $0.50 per share until December 31, 2012. (See Note 7.) Winter 2011 Offering Pursuant to a private offering of our common stock at a price of $0.35 per share that commenced January 2011 (the “Winter 2011 Offering”), through June 30, 2011 we sold 2,110,069 shares of our common stock at $0.35 per share and received $738,520 gross proceeds from the sales. Unlike our prior securities offerings, this offering did not involve the sale of convertible debt or warrants. Spring 2010 Offering Pursuant to a private offering that commenced January 2010 (the “Spring 2010 Offering”) and terminated July 2010, we sold $438,775 of our 10% convertible notes (the “Spring 2010 Notes”), which are due and payable on April 15, 2013, to 18 investors, the principal amount of which is convertible into an aggregate 763,235 shares of our common stock, at $0.575 per share. The Spring 2010 Notes can be converted voluntarily by the noteholder at any time prior to the maturity date. We can unilaterally convert the Spring 2010 Notes (i) on or after July 31, 2010, if we have received one or more written firm commitments, or have closed on one or more transactions, or a combination of the foregoing, of at least $3 million gross proceeds of equity or debt; or (ii) on the maturity date. Accordingly, the Spring 2010 Notes may be repaid in cash or may be converted, at our sole option, into shares of our common stock, on or before the April 15, 2013 maturity date. Each purchaser of the Spring 2010 Notes received, for no additional consideration, two stock purchase warrants, each of which entitle the holder to purchase the number of shares of our common stock into which the holder’s Spring 2010 Note is initially convertible. The first warrant (the “Spring 2010 Eighteen Month Warrant”) was exercisable at a price of $0.75 per share and expired unexercised on July 15, 2011. The second warrant (the “Spring 2010 Thirty-Six Month Warrant”) is exercisable at a price of $1.00 per share and expires on January 15, 2013. (See Note 7.) All of these offerings and sales were made in reliance on the exemption from registration contained in Section 4(2) of the Securities Exchange Act and/or Regulation D promulgated thereunder as not involving a public offering of securities.

Note 5 - Private Securities Offerings

6 Months Ended

Jun. 30, 2012

Note 5. Private Securities Offerings

Summer 2012 Offering

Pursuant to a private offering of our common stock at a price of $0.40 per share that commenced May 2012 (the “Summer 2012 Offering”), through June 30, 2012, we sold 777,714 shares of our common stock at $0.40 per share to seven accredited investors and received $311,086 gross; $290,586 net proceeds from the sales. Each purchaser of stock in the Summer 2012 Offering will receive, for no additional consideration, a stock purchase warrant (the “Summer 2012 Warrant”) entitling the holder to purchase the same number of shares as purchased in the offering, for $0.55 per share until March 31, 2014.

Winter 2012 Offering

Pursuant to a private offering of our common stock at a price of $0.35 per share that commenced January 2012 and closed May 2012 (the “Winter 2012 Offering”), we sold 3,127,914 shares of our common stock at $0.35 per share to 30 accredited investors and received $1,094,765 gross; $1,030,265 net proceeds from the sales.

Each purchaser of stock in the Winter 2012 Offering received, for no additional consideration, a stock purchase warrant (the “Winter 2012 Warrant”) entitling the holder to purchase the same number of shares as purchased in the offering, for $0.50 per share until January 31, 2013. (See Note 7.)

Fall 2011 Offering

Pursuant to a private offering of our common stock at a price of $0.35 per share that commenced September 2011 (the “Fall 2011 Offering”), we received subscriptions of $467,317 from 16 accredited investors for the purchase of an aggregate 1,335,201 shares of our common stock at $0.35 per share. In the year ended December 31, 2011, we received $370,723 gross proceeds and issued 1,059,215 shares of our common stock. In the six-month period ended June 30, 2012, we received the remaining $96,594 from subscriptions committed prior to the termination of the offering and issued 275,986 shares of our common stock.

Each purchaser of stock in the Fall 2011 Offering received, for no additional consideration, a stock purchase warrant (the “Fall 2011 Warrant”) entitling the holder to purchase the same number of shares of common stock for $0.50 per share until December 31, 2012. (See Note 7.)

Winter 2011 Offering

Pursuant to a private offering of our common stock at a price of $0.35 per share that commenced January 2011 (the “Winter 2011 Offering”), through June 30, 2011 we sold 2,110,069 shares of our common stock at $0.35 per share and received $738,520 gross proceeds from the sales. Unlike our prior securities offerings, this offering did not involve the sale of convertible debt or warrants.

Spring 2010 Offering

Pursuant to a private offering that commenced January 2010 (the “Spring 2010 Offering”) and terminated July 2010, we sold $438,775 of our 10% convertible notes (the “Spring 2010 Notes”), which are due and payable on April 15, 2013, to 18 investors, the principal amount of which is convertible into an aggregate 763,235 shares of our common stock, at $0.575 per share. The Spring 2010 Notes can be converted voluntarily by the noteholder at any time prior to the maturity date. We can unilaterally convert the Spring 2010 Notes (i) on or after July 31, 2010, if we have received one or more written firm commitments, or have closed on one or more transactions, or a combination of the foregoing, of at least $3 million gross proceeds of equity or debt; or (ii) on the maturity date. Accordingly, the Spring 2010 Notes may be repaid in cash or may be converted, at our sole option, into shares of our common stock, on or before the April 15, 2013 maturity date.

Each purchaser of the Spring 2010 Notes received, for no additional consideration, two stock purchase warrants, each of which entitle the holder to purchase the number of shares of our common stock into which the holder’s Spring 2010 Note is initially convertible. The first warrant (the “Spring 2010 Eighteen Month Warrant”) was exercisable at a price of $0.75 per share and expired unexercised on July 15, 2011. The second warrant (the “Spring 2010 Thirty-Six Month Warrant”) is exercisable at a price of $1.00 per share and expires on January 15, 2013. (See Note 7.)

All of these offerings and sales were made in reliance on the exemption from registration contained in Section 4(2) of the Securities Exchange Act and/or Regulation D promulgated thereunder as not involving a public offering of securities.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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