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Stockholders' Equity
 12 Months Ended
Dec. 31, 2015
Stockholders' Equity [Abstract]  
Stockholders' Equity
8.Stockholders’ Equity

 

Common Stock

 

During the year ended December 31, 2015, we issued 3,200,000 shares of our common stock to investors in connection with an equity financing transaction. These shares of common stock were a portion of the 5,000,000 shares previously registered in 2014 under a shelf registration statement. We issued the stock at $1.90 per share and raised approximately $6.1 million gross and received approximately $5.4 million in cash, net of direct offering costs including underwriting discounts and legal, audit and other regulatory costs of approximately $0.7 million. Per Bystedt (Chairman of our Board of Directors), Thomas Eriksson (our Chief Executive Officer and a member of our Board of Directors), and Mats Dahlin (a member of our Board of Directors) purchased an aggregate of 157,893 shares of common stock in the offering at the public offering price per share for an aggregate purchase price of approximately $300,000.

 

In addition, warrant holders exercised warrants to purchase 280,000 shares of common stock using the cashless net exercise provision allowed in the warrant and received 150,234 shares of our common stock.

 

During the year ended December 31, 2014, we sold 2,500,000 shares of our common stock at a price of $4.00 per share to an accredited institutional investor for an aggregate purchase price of $10,000,000 in gross proceeds and net proceeds of approximately $9.3 million after expenses and fees, including a $600,000 placement agent fee. 

 

In addition, we issued a warrant to purchase up to an aggregate of 2,500,000 shares of our common stock at an exercise price of $5.09 per share (see Note 9) that expired on November 15, 2015. In addition, we issued to the placement agent a warrant to acquire up to an aggregate of 75,000 shares of our common stock. The agent warrant is subject to the same terms and provisions of the investor warrant described above. 

 

During the year ended December 31, 2014, warrant holders exercised warrants to purchase 17,000 shares of common stock using the cashless net exercise provision allowed in the warrant and received 10,053 shares of our common stock. In addition, warrant holders exercised warrants to purchase 11,500 shares of common stock at an exercise price of $3.13 per share for total cash proceeds of approximately $36,000.

 

During the year ended December 31, 2013, warrant holders exercised warrants to purchase 1,815,368 shares of common stock using the cashless exercise provision allowed in the warrant and received 1,384,719 shares of our common stock. In addition, warrant holders exercised warrants to purchase 429,536 shares of common stock and paid a cash exercise price ranging between $1.00 and $3.13 per share for total cash proceeds of approximately $714,000.

 

On February 26, 2013, David Brunton, our former Chief Financial Officer, exercised warrants to purchase 320,000 shares of common stock using the cashless exercise provision allowed in the warrant and received 266,228 shares of our common stock.

 

On April 4, 2013, we extended a 40,000 stock purchase warrant with an exercise price of $1.00 per share that expired on January 28, 2013 that was issued to an investor in a previous convertible debt financing. The estimated fair value of the warrant was $166,000 on the date of grant, using the Black-Scholes option pricing model, which was expensed during the year ended December 31, 2013. The warrant holder exercised the warrant on April 4, 2013 and the Company received cash proceeds of $40,000 (see Note 9).

 

On August 12, 2013, Thomas Eriksson, our Chief Executive Officer, exercised warrants to purchase 400,000 shares of common stock using the cashless net exercise provision allowed in the warrant and received 326,608 shares of our common stock.

 

On August 12, 2013, Per Bystedt, the Chairman of our Board, exercised warrants to purchase 387,773 shares of common stock using the cashless exercise provision allowed in the warrant and received 316,624 shares of our common stock.

 

On August 12, 2013, Phenning Holdings Ltd, a company controlled by Per Bystedt, the Chairman of our Board, exercised warrants to purchase 227,661 shares of common stock using the cashless net exercise provision allowed in the warrant and received 185,890 shares of our common stock.

 

On August 12, 2013, Davisa Ltd, a company controlled by Mats Dahlin, a member of our Board, exercised warrants to purchase 215,724 shares of common stock using the cashless net exercise provision allowed in the warrant and received 176,143 shares of our common stock.

 

On August 12, 2013, John Reardon, a member of our Board, exercised warrants to purchase 80,000 shares of common stock using the cashless net exercise provision allowed in the warrant and received 65,322 shares of our common stock.

 

On September 16, 2013, we issued 1,168,939 shares of our common stock to investors in connection with an equity financing transaction in which we raised approximately $7.7 million and received approximately $6.9 million in cash, net of commissions, direct offering costs including legal, audit and other regulatory costs of approximately $0.8 million.

 

Preferred Stock

 

On March 21, 2013, Series A Preferred stockholders exchanged 83 shares of Series A Preferred stock for 39,790 shares of our common stock, eliminating all Series A Preferred shares outstanding.

 

On February 27, 2013, Series B Preferred stockholders exchanged 4 shares of Series B Preferred stock for 528 shares of our common stock.

 

On March 21, 2013, Series B Preferred stockholders exchanged 8 shares of Series B Preferred stock for 929 shares of our common stock.

 

The terms of the Series B Preferred stock are as follows:

 

Dividends and Distributions

 

The holders of shares of Series B Preferred stock are entitled to participate with the holders of our common stock with respect to any dividends declared on the common stock in proportion to the number of shares of common stock issuable upon conversion of the shares of Series B Preferred stock held by them.

 

Liquidation Preference

 

In the event of any liquidation, dissolution, or winding up of our operations, either voluntary or involuntary, subject to the rights of the Series B Preferred stock and Senior Preferred stock, shall be entitled to receive, after any distribution to the holders of senior preferred stock and prior to and in preference to any distribution to the holders of common stock, $0.001 for each share of Series B Preferred stock then outstanding.

 

Voting

 

The holders of shares of Series B Preferred stock have one vote for each share of Series B Preferred stock held by them.

 

Conversion

 

Initially, each share of Series B Preferred stock was convertible into one share of our common stock. On March 31, 2009, our stockholders approved a resolution to increase the authorized share capital, and to increase the conversion ratio to 132.07 shares of our common stock for each share of Series B Preferred stock.  

  

Conversion of Preferred Stock Issued to Common Stock

 

The following table summarizes the amounts as of December 31, 2015:

 

  Shares of Preferred Stock Not Exchanged as of December 31, 2015  Conversion Ratio  Shares of Common Stock after Conversion of all Outstanding Shares of Preferred Stock Not yet Exchanged at December 31, 2015 
             
Series B Preferred Stock  83   132.07   10,962