Note 10—Capital Stock

Authorized Preferred and Common Stock

As of December 31, 2016, the Company has 6,000,000 shares of preferred stock, par value $0.001 authorized and 450,000,000 shares of common stock, par value $0.001 authorized. As of December 31, 2016 the Company has 229,381,059 shares of common stock outstanding and the following shares of common stock are reserved for issuance:

	Reserved for		Strike
	issuance		Price		Expiry

Shares reserved under outstanding stock options and options available for grant		52,092,463

Rights associated with Employee Stock Purchase Plan		70,122

Warrants to purchase common stock associated with the 2016 Debt Restructuring		5,169,577	$	0.0994		Aug 1, 2026

Warrants to purchase common stock associated with July 2016 private placement		56,262,571	$	0.0994		Jul 29, 2023

Warrants to purchase common stock associated with December 2014 private placement		50,189,431	$	0.1003		Dec 23, 2021

Warrants to purchase common stock associated with December 2014 venture loan and security agreement		2,492,523	$	0.1003		Dec 23, 2024

Warrants to purchase common stock associated with September 2014 consulting agreement with Danforth Advisors		100,000	$	0.2500		Sep 8, 2024

Outstanding warrants issued in May 2013, vesting August 2013		14,426,230	$	0.2745		Aug 9, 2020

Outstanding warrants issued in May 2013, vesting May 2013		20,655,737	$	0.2745		May 17, 2020

Outstanding warrants issued in June 2012		437,158	$	0.2745		Jun 29, 2017

Total common shares reserved for issuance at December 31, 2016		201,895,812

Total common shares issued and outstanding at December 31, 2016		229,381,059

Total common shares outstanding and reserved for issuance at December 31, 2016		431,276,871

On May 17, 2013, the Company entered into a Common Stock Purchase Agreement (the “2013 Purchase Agreement”) with various accredited investors (the “2013 Investors”), pursuant to which the Company sold securities to the 2013 Investors in a private placement transaction (the “May 2013 Private Placement”). In the May 2013 Private Placement, the Company sold an aggregate of 43,715,847 shares of its common stock at a price of $0.2745 per share for gross proceeds of $12,000,000. The 2013 Investors also received warrants to purchase up to an aggregate of 32,786,885 shares of common stock an exercise price of $0.2745 per share (the “2013 Warrants”). The 2013 Warrants were immediately exercisable as to 63% of the shares issuable thereunder. The remaining 37% of the shares issuable under the 2013 Warrants were to become exercisable upon an increase in the number of authorized shares of common stock. On August 9, 2013, the Company’s shareholders’ approved an amendment to the Company’s Certificate of Incorporation to increase the number of authorized shares of common stock from 150,000,000 to 300,000,000 shares, which provided for adequate authorized shares for all potential common stock equivalents issued pursuant to the May 2013 Private Placement. The 2013 Warrants are all currently exercisable and have a term of seven years from the date they became exercisable.

For its services in this transaction, the placement agent received cash compensation in the amount of approximately $780,000 and the placement agent and an affiliate received warrants to purchase an aggregate of 2,295,082 shares of common stock, at an exercise price of $0.2745 per share (the “2013 Placement Agent Warrants”). The 2013 Placement Agent Warrants became exercisable on August 9, 2013, following shareholder approval of an increase in the Company’s authorized shares of common stock and expire August 9, 2020. The cash compensation and the fair value of the warrants were recorded as issuance costs resulting in a reduction to shareholders’ equity.

In connection with the May 2013 Private Placement, all preferred stockholders converted their shares of Preferred Stock to common stock resulting in the issuance of 39,089,161 shares of common stock (the “2013 Preferred Conversion”) and $14,316,255 in principal amount of outstanding convertible debt held by a related party was converted into 2,521,222 shares of common stock (the “2013 Debt Conversion”).

In September 2014, the Company issued warrants to the Company’s financial consultant, Danforth Advisors, to purchase up to 100,000 shares of common stock at a price of $0.25 per share. The warrants have a ten (10) year term and vested on a monthly basis over two years. These warrants have fully vested as of December 31, 2016. The fair value of the warrants at issuance was recorded as equity totaling $24,000 and was fully amortized as of December 31, 2016. The non-cash compensation expense for the years ended December 31, 2016 and 2015 was $9,000 and $12,000 respectively.

On December 23, 2014, the Company entered into the 2014 Purchase Agreement with the 2014 Investors, pursuant to which it sold to the 2014 Investors in the December 2014 Private Placement an aggregate of 50,099,700 shares of common stock at a price of $0.1003 per share for gross proceeds of approximately $5.025 million. The 2014 Investors also received 2014 Warrants to purchase up to an aggregate of 50,099,700 shares of common stock at an exercise price of $0.1003 per share. The 2014 Warrants are all currently exercisable and have a term of seven years.

For services related to this transaction, the placement agent, its legal counsel and the Company’s legal counsel received an aggregate of $218,000 in cash fees and the placement agent and an affiliate received warrants to purchase an aggregate of 89,731 shares of common stock (the “2014 Placement Agent Warrants”). The cash fees and the fair value of the 2014 Placement Agent Warrants were recorded as equity issuance costs resulting in a reduction to shareholders’ equity.

The 2014 Warrants and the 2014 Placement Agent Warrants were recorded as equity at fair value on the date of issuance. On the closing date of the December 2014 Private Placement, the fair value of the 2014 Warrants was $5.2 million, and the fair value of the 2014 Placement Agent Warrants was $9,000.

On July 29, 2016, the Company entered into the 2016 Purchase Agreement with the 2016 Investors, pursuant to which the Company sold to the 2016 Investors in the 2016 Private Placement an aggregate of 56,262,571 shares of common stock at a price of $0.0994 per share for gross proceeds of approximately $5.6 million. The 2016 Investors also received the 2016 Warrants to purchase up to an aggregate of 56,262,571 shares of common stock at an exercise price of $0.0994 per share. The 2016 Warrants vested immediately, are all currently exercisable and have a term of seven years.

For services related to this transaction, the Company’s legal counsel received $63,000 in cash fees.

The fair value of the 2016 Warrants at issuance was $6.5 million. Fair value of the 2016 Warrants was calculated using the following inputs in a Black-Scholes model:

	July 29, 2016
Risk-free interest rate		1.52	%
Expected life		7 years
Expected volatility		147.03	%
Dividend yield		0	%

Registration Rights Agreements

In connection with the December 2014 Private Placement, on December 23, 2014, the Company also entered into a Registration Rights Agreement with the 2014 Investors and the placement agent, pursuant to which the Company was required to file a registration statement on Form S-1 within 45 days of December 23, 2014 to cover the resale of (i) the shares of common stock sold to the 2014 Investors and the shares of common stock underlying the 2014 Warrants and (ii) the shares of common stock underlying the 2014 Placement Agent Warrants. The Company filed the registration statement on February 6, 2015, and it was declared effective on March 31, 2015.

In connection with the July 2016 Private Placement, on July 29, 2106, the Company also entered into a Registration Rights Agreement with the 2016 Investors, pursuant to which the Company was required to file a registration statement on Form S-1 within 45 days of July 29, 2016 to cover the resale of the shares of common stock sold to the 2016 Investors and the shares of common stock underlying the 2016 Warrants. The Company filed the registration statement on September 12, 2016, and it was declared effective on September 27, 2016.

Venture Loan and Security Agreement

On December 23, 2014, the Company entered into the Loan Agreement with the Lender under which the Company has borrowed $5.0 million. In connection with the Loan Agreement, the Company issued to the Lender and its affiliates 2014 Lender Warrants to purchase a total of 2,492,523 shares of common stock at an exercise price of $0.1003 per share. The 2014 Lender Warrants vested immediately, are all currently exercisable and have a term of ten (10) years. The fair value of the 2014 Lender Warrants at issuance was $261,000

On August 25, 2016, the Company and The Lender agreed to the 2016 Debt Restructuring, which was effective as of August 1, 2016, pursuant to which the principal payments due from August 2016 through December 2016 were reduced to 33% of the principal payments due for these periods under the Loan Agreement. In connection with the 2016 Debt Restructuring, the Company issued to the Lender the 2016 Lender Warrant to purchase up to 5,169,577 shares of the Company’s common stock at an exercise price of $0.0994 per share. The 2016 Lender Warrant vested immediately, is currently exercisable and has a term of ten (10) years.

The 2014 Lender Warrants and 2016 Lender Warrants were recorded as equity at fair value on the date of issuance. Fair value of the 2014 Lender Warrants and 2016 Lender Warrants was calculated using the Black-Scholes model. Fair value of the 2016 Lender Warrants was calculated using the following inputs in a Black-Scholes model:

	August 1, 2016
Risk-free interest rate		1.78	%
Expected life		10 years
Expected volatility		138.81	%
Dividend yield		0	%

The fair value of the 2016 Lender Warrants at issuance was $504,000. Cash interest paid during the years ended December 31, 2016 and 2015 totaled $429,000 and $456,000, respectively. Non-cash interest related to debt discounts was $294,000 for the year ended December 31, 2016, compared to $153,000 for the year ended December 31, 2015. The debt discount balance was $579,000 as of December 31, 2016.

Principal payments due under the terms of the Loan Agreement and the 2016 Debt Restructuring are as follows:

2017		2,304,545
2018		1,920,455
	$	4,225,000