Liquidity and Going Concern	12 Months Ended
Dec. 31, 2015
Liquidity and Going Concern
Liquidity and Going Concern	2. Liquidity and Going Concern The accompanying consolidated financial statements have been prepared assuming the Company will continue as a going concern. Therefore, the consolidated financial statements contemplate the realization of assets and liquidation of liabilities in the ordinary course of business. The Company has suffered recurring losses and negative cash flows from operations since inception, resulting in an accumulated deficit of $199.6 million at December 31, 2015. The Company has funded its operations through asset sales, credit facilities and other borrowings and equity sales. At December 31, 2015, the Company had $3.0 million in cash, and based upon the Company's current and anticipated usage of cash resources, the Company will require additional financing in the form of funding from outside sources during the early second quarter of 2016. The Company will evaluate the amount of cash needed, and the manner in which such cash will be raised, on an ongoing basis. The Company's continuation as a going concern is dependent upon its ability to obtain adequate additional financing, which the Company has successfully secured since inception, including financing from equity sales and asset divestitures. However, there is no assurance that the Company will be able to achieve projected levels of revenue and maintain access to sufficient working capital, and accordingly, there is substantial doubt as to whether the Company's existing cash resources and working capital are sufficient to enable it to continue its operations for the next twelve months. If the Company is unable to obtain the necessary capital, it will be forced to license or liquidate its assets, significantly curtail or cease its operations and/or seek reorganization under the U.S. Bankruptcy Code. The Company has a $7.5 million secured demand facility backed by its receivables and inventory with Faunus Group International, Inc. ("FGI"). At December 31, 2015, the Company had $3.5 million in borrowings outstanding under this facility with $4.0 million available, subject to the availability of eligible accounts receivable and inventory balances for collateral. There is no guarantee that the Company will be able to borrow to the full limit of $7.5 million if FGI chooses not to finance a portion of its receivables or inventory. Additionally, FGI can cancel the facility at any time. For additional information, refer to Note 10, "Debt". On May 15, 2012, the Company filed a shelf registration statement on Form S-3 with the Securities and Exchange Commission ("SEC") (the "Shelf Registration"), which permits the Company to sell, from time to time, up to an aggregate of $50.0 million of various securities. However, the Company may not sell its securities in a primary offering pursuant to the Shelf Registration or any other registration statement on Form S-3 with a value exceeding one-third of its public float in any 12-month period (unless the Company's public float rises to $75.0 million or more). On May 19, 2015, the Company filed a shelf registration statement on Form S-3 with the SEC to replace the existing Shelf Registration (the "Replacement Shelf"), which was declared effective on November 17, 2015. The Replacement Shelf will permit the Company to sell, from time to time, up to an aggregate of $50.0 million of various securities, provided that the Company may not sell its securities in a primary offering pursuant to the Replacement Shelf or any other registration statement on Form S-3 with a value exceeding one-third of its public float in any 12-month period (unless the Company's public float rises to $75.0 million or more). For additional information, refer to Note 11, "Stockholders' Equity". On June 2, 2015, the Company entered into an underwriting agreement to sell 2,500,000 units pursuant to the Shelf Registration for $2.05 per unit, with each unit consisting of one share of common stock and 0.2 of one warrant to purchase one share of common stock with an exercise price of $2.65 per share. The Company received net proceeds of $4.5 million after deducting the underwriting discounts and other offering expenses. For additional information, refer to Note 11, "Stockholders' Equity" and Note 12, "Warrants". On October 7, 2015, the Company and Kanis S.A. entered into a letter agreement whereby Kanis S.A. agreed to amend the terms of the outstanding loans, in the aggregate principal amount of $7.5 million, made to the Company, such that the maturity dates of all outstanding loans were extended to October 1, 2018. For additional information, refer to Note 10, "Debt". On November 23, 2015, the Company entered into a Securities and Purchase Agreement (the "Purchase Agreement") with certain institutional investors (the "Purchasers") providing for the issuance and sale by the Company of 883,862 shares of the Company's common stock and Series B pre-funded warrants (the "Pre-Funded Warrants") to purchase an aggregate of 1,686,138 shares of its Common Stock. The offering price was $1.22 per share of common stock and the offering price for the Pre-Funded Warrant was $1.21 for each to purchase one share of common stock. In a concurrent private placement, the Company issued 0.3 of a Series A warrant to purchase one share of common stock for each share of common stock purchased or pre-funded through the Pre-Funded Warrants in the registered offering. Each whole Series A Warrant can be exercised for a share of Common Stock. The Series A Warrants cover, in the aggregate, 771,000 shares of common stock at an exercise price of $1.70 per share. In addition, in exchange for the surrender and cancellation for outstanding warrants to purchase 856,393 shares of common stock, with a weighted average exercise price of $3.19 per share, held by the Purchasers, the Company issued Series C-1, Series C-2 and Series C-3 warrants to purchase an aggregate of 856,393 shares of common stock at an exercise price of $1.70 per share. The Company received net proceeds of $2.6 million after deducting placement agent fees and other offering expenses. For additional information, refer to Note 11, "Stockholders' Equity" and Note 12, "Warrants". On February 12, 2016, a special meeting of our stockholders was held, and at the meeting, the Company's stockholders voted to approve an amendment to our Restated Certificate of Incorporation to increase the number of authorized shares from 24,100,000 shares to 100,000,000 shares. Further, on February 12, 2016, the Company filed with the Secretary of State of Delaware a Certificate of Amendment to the Restated Certificate of Incorporation (the "Amendment") which increased the number of authorized shares from 24,100,000 shares to 100,000,000 shares, ninety nine million nine hundred thousand (99,900,000) of which are designated as common stock and one hundred thousand (100,000) of which are designated as preferred stock. The additional authorized shares and Replacement Shelf registration statements are intended to provide the Company with additional flexibility to access capital markets for general corporate purposes, subject to market conditions and its capital needs.

2. Liquidity and Going Concern

The accompanying consolidated financial statements have been prepared assuming the Company will continue as a going concern. Therefore, the consolidated financial statements contemplate the realization of assets and liquidation of liabilities in the ordinary course of business. The Company has suffered recurring losses and negative cash flows from operations since inception, resulting in an accumulated deficit of $199.6 million at December 31, 2015. The Company has funded its operations through asset sales, credit facilities and other borrowings and equity sales.

At December 31, 2015, the Company had $3.0 million in cash, and based upon the Company's current and anticipated usage of cash resources, the Company will require additional financing in the form of funding from outside sources during the early second quarter of 2016. The Company will evaluate the amount of cash needed, and the manner in which such cash will be raised, on an ongoing basis. The Company's continuation as a going concern is dependent upon its ability to obtain adequate additional financing, which the Company has successfully secured since inception, including financing from equity sales and asset divestitures. However, there is no assurance that the Company will be able to achieve projected levels of revenue and maintain access to sufficient working capital, and accordingly, there is substantial doubt as to whether the Company's existing cash resources and working capital are sufficient to enable it to continue its operations for the next twelve months. If the Company is unable to obtain the necessary capital, it will be forced to license or liquidate its assets, significantly curtail or cease its operations and/or seek reorganization under the U.S. Bankruptcy Code.

The Company has a $7.5 million secured demand facility backed by its receivables and inventory with Faunus Group International, Inc. ("FGI"). At December 31, 2015, the Company had $3.5 million in borrowings outstanding under this facility with $4.0 million available, subject to the availability of eligible accounts receivable and inventory balances for collateral. There is no guarantee that the Company will be able to borrow to the full limit of $7.5 million if FGI chooses not to finance a portion of its receivables or inventory. Additionally, FGI can cancel the facility at any time. For additional information, refer to Note 10, "Debt".

On May 15, 2012, the Company filed a shelf registration statement on Form S-3 with the Securities and Exchange Commission ("SEC") (the "Shelf Registration"), which permits the Company to sell, from time to time, up to an aggregate of $50.0 million of various securities. However, the Company may not sell its securities in a primary offering pursuant to the Shelf Registration or any other registration statement on Form S-3 with a value exceeding one-third of its public float in any 12-month period (unless the Company's public float rises to $75.0 million or more). On May 19, 2015, the Company filed a shelf registration statement on Form S-3 with the SEC to replace the existing Shelf Registration (the "Replacement Shelf"), which was declared effective on November 17, 2015. The Replacement Shelf will permit the Company to sell, from time to time, up to an aggregate of $50.0 million of various securities, provided that the Company may not sell its securities in a primary offering pursuant to the Replacement Shelf or any other registration statement on Form S-3 with a value exceeding one-third of its public float in any 12-month period (unless the Company's public float rises to $75.0 million or more). For additional information, refer to Note 11, "Stockholders' Equity".

On June 2, 2015, the Company entered into an underwriting agreement to sell 2,500,000 units pursuant to the Shelf Registration for $2.05 per unit, with each unit consisting of one share of common stock and 0.2 of one warrant to purchase one share of common stock with an exercise price of $2.65 per share. The Company received net proceeds of $4.5 million after deducting the underwriting discounts and other offering expenses. For additional information, refer to Note 11, "Stockholders' Equity" and Note 12, "Warrants".

On October 7, 2015, the Company and Kanis S.A. entered into a letter agreement whereby Kanis S.A. agreed to amend the terms of the outstanding loans, in the aggregate principal amount of $7.5 million, made to the Company, such that the maturity dates of all outstanding loans were extended to October 1, 2018. For additional information, refer to Note 10, "Debt".

On November 23, 2015, the Company entered into a Securities and Purchase Agreement (the "Purchase Agreement") with certain institutional investors (the "Purchasers") providing for the issuance and sale by the Company of 883,862 shares of the Company's common stock and Series B pre-funded warrants (the "Pre-Funded Warrants") to purchase an aggregate of 1,686,138 shares of its Common Stock. The offering price was $1.22 per share of common stock and the offering price for the Pre-Funded Warrant was $1.21 for each to purchase one share of common stock. In a concurrent private placement, the Company issued 0.3 of a Series A warrant to purchase one share of common stock for each share of common stock purchased or pre-funded through the Pre-Funded Warrants in the registered offering. Each whole Series A Warrant can be exercised for a share of Common Stock. The Series A Warrants cover, in the aggregate, 771,000 shares of common stock at an exercise price of $1.70 per share. In addition, in exchange for the surrender and cancellation for outstanding warrants to purchase 856,393 shares of common stock, with a weighted average exercise price of $3.19 per share, held by the Purchasers, the Company issued Series C-1, Series C-2 and Series C-3 warrants to purchase an aggregate of 856,393 shares of common stock at an exercise price of $1.70 per share. The Company received net proceeds of $2.6 million after deducting placement agent fees and other offering expenses. For additional information, refer to Note 11, "Stockholders' Equity" and Note 12, "Warrants".

On February 12, 2016, a special meeting of our stockholders was held, and at the meeting, the Company's stockholders voted to approve an amendment to our Restated Certificate of Incorporation to increase the number of authorized shares from 24,100,000 shares to 100,000,000 shares. Further, on February 12, 2016, the Company filed with the Secretary of State of Delaware a Certificate of Amendment to the Restated Certificate of Incorporation (the "Amendment") which increased the number of authorized shares from 24,100,000 shares to 100,000,000 shares, ninety nine million nine hundred thousand (99,900,000) of which are designated as common stock and one hundred thousand (100,000) of which are designated as preferred stock. The additional authorized shares and Replacement Shelf registration statements are intended to provide the Company with additional flexibility to access capital markets for general corporate purposes, subject to market conditions and its capital needs.