11. COMMON STOCK

The Company has authorized 200,000,000 shares of Common Stock, $0.00001 par value per share, of which 93,812,000, shares were issued and outstanding as of December 31, 2014 and 78,773,736 shares were issued and outstanding as of December 31, 2013.

During the year ended December 31, 2014, the Company issued an aggregate of 531,598 shares of Common Stock upon the exercise of stock options and received cash proceeds of $212.

During the year ended December 31, 2014, the Company issued an aggregate of 39,900 shares of Common Stock upon the exercise of warrants, including warrants to purchase 62,620 shares of Common Stock exercised through cashless exercise provisions resulting in the issuance of 27,610 shares of common stock and warrants to purchase 12,290 shares of Common Stock exercised for cash, providing cash proceeds of $12.

During the year ended December 31, 2014, the Company issued an aggregate of 167,011 shares of Common Stock with a fair value of $173 to the Company's 401(k) plan as a matching contribution.

In January 2014, the Company issued 108,848 and 22,374 shares of Common Stock to Michael J. Astrue, the Company's then-Interim Chief Executive Officer, and Gregory D. Perry, the Company's then-Interim Chief Financial Officer, respectively, in lieu of executive cash bonuses. Such shares had an aggregate fair value of approximately $282.

In December 2014, the Company issued 167,283 shares of Common Stock to certain employees of the Company in lieu of cash bonuses. Such shares had an aggregate fair value of approximately $195.

During the year ended December 31, 2014, the Company closed an underwritten public offering of an aggregate of 14,001,250 shares of common stock and warrants to purchase up to an aggregate of 7,000,625 shares of common stock, at a price to the public of $1.15 per share of common stock and $0.00001 per warrant. The net proceeds to the Company, after deducting underwriting discounts and offering expenses, were approximately $14,600. The warrants have a per share price of $1.4375, or 125% of the public offering of the common stock, and expire on May 9, 2019.

During the year ended December 31, 2013, the Company issued an aggregate of 588,884 shares of Common Stock upon the exercise of stock options and received cash proceeds of $456.

During the year ended December 31, 2013, the Company issued an aggregate of 12,224,846 shares of Common Stock upon the exercise of warrants, including warrants to purchase 627,036 shares of Common Stock exercised through cashless exercise provisions and warrants to purchase 11,813,334 shares of Common Stock exercised for cash, providing cash proceeds of $15,952.

During the year ended December 31, 2012, the Company issued 15,000 unregistered shares of Common Stock with a fair value of $25 to an investor relations firm in exchange for services provided.

During the year ended December 31, 2012, the Company issued an aggregate of 755,020 shares of Common Stock upon the exercise of stock options and received cash proceeds of $111.

During the year ended December 31, 2012, the Company issued an aggregate of 1,779,716 shares of Common Stock upon the exercise of warrants, including warrants to purchase 1,865,670 shares of Common Stock exercised through cashless exercise provisions and warrants to purchase 852,946 shares of Common Stock exercised for cash, providing cash proceeds of $1,129.

During the year ended December 31, 2012, the Company completed a public offering of Common Stock and issued 9,523,810 shares of its Common Stock at a purchase price of $2.10 per share. The offering raised gross proceeds of approximately $20,000, and the Company received net proceeds of $18,155, after deducting underwriter discounts and offering expenses.

Common Stock Reserves

As of December 31, 2014, the Company had the following reserves established for the future issuance of Common Stock as follows:

Reserves for the exercise of warrants			10,208,849
Reserves for the exercise of stock options			12,361,445

Total Reserves			22,570,294