[1]

Prepayment Penalties. In addition to the principal balance shown, certain debt agreements provide for prepayment penalties up to 25% if the debt is repaid prior to the maturity date.

[2]

Unamortized Discounts. Original issue discounts ("OID") are amortized to interest expense using the effective interest method. The unamortized discount represents the portion of OID that will be charged to interest expense over the remaining term of the respective debt agreements.

[3]

ExWorks Revolving Loan. On June 30, 2015, the Company entered into a credit agreement with ExWorks Capital Fund I, L.P. ("ExWorks"). The credit agreement provides for a revolving line of credit (the "Revolving Loan Agreement") with a total commitment up to $6,000. The borrowing base is equal to (i) up to 75% of eligible accounts receivable and inventory of certain of the Company's U.S. based subsidiaries (up to a maximum of $4,000), plus (ii) up to 75% of the value of eligible inventory of certain of the Company's U.K based subsidiaries (up to a maximum of $2,500), minus (iii) certain availability reserves as determined by ExWorks. The advance rate against eligible accounts is subject to reduction based on credits, returned goods and setoffs. Borrowings under the Revolving Loan Agreement bear interest at an effective annual rate of 27.0%. Either party may elect to terminate the Revolving Loan on June 30, 2016; however, if neither party elects to terminate, the agreement will be automatically extended for an additional 12 months. On September 29, 2015, the Company entered into an amendment to the Revolving Loan Agreement, whereby ExWorks agreed that during the four-month period through January 31, 2016, it will permit borrowings up to $1,500 in excess of the borrowing base calculation set forth in the Loan Agreement. As of September 30, 2015, borrowings under the Revolving Loan Agreement amounted to $2,788 and the Company had unused borrowing availability of $2,076. As discussed in Note 17, the Company repaid all outstanding borrowings under the Revolving Loan Agreement in October 2015 although the credit agreement remains in effect.

[4]

Interest Rate. The stated interest rate is the contractual rate of interest specified in the debt agreement. For variable rate debt and amended debt agreements, the rate in effect as of September 30, 2015 is shown. For debt paid off during the nine months ended September 30, 2015, the rate in effect on December 31, 2014 is shown. See also Note 8 for accounting for the fair value of compound embedded derivatives and detachable common stock purchase warrants that are bifurcated from the host debt agreement and accounted for at fair value.

[5]

Convertible to Common Stock. The outstanding principal balance and accrued interest are convertible to shares of the Company's common stock. The stated conversion price gives effect to amendments to the respective debt agreements and represents the conversion prices in effect on September 30, 2015. For debt repaid or extinguished during the nine months ended September 30, 2015, the conversion price in effect on December 31, 2014 is shown. The conversion price is subject to adjustment upon certain events, such as stock splits, combinations, dividends, distributions, reclassifications, mergers or other corporate change and dilutive issuances.

[6]

Amendment to 6% Notes. In March 2015, the Company exchanged the remaining principal amount of $9,149 related to the Senior Secured 6% Notes with an accredited investor for (i) a cash payment of $13,000, (ii) an unsecured note in the principal amount of $1,800 (the "Unsecured Note") and (iii) the issuance of warrants at an exercise price of $0.45 per share for 8,333,333 shares (the "Prepaid Warrants") of Common Stock for which the holders prepaid the exercise fee in the aggregate amount of $3,750. As of September 30, 2015, all of the Prepaid Warrants have been exercised.

[7]

Amendment to 15% Notes. As of December 31, 2014, the aggregate principal balance (exclusive of unamortized discounts of $2,511) of these notes was $25,455 and the stated interest rate was 15.0%. During the first quarter of 2015, holders of $20,150 principal amount agreed to amend their notes to (i) extend the maturity date by 18 months from the original maturity dates in January and February 2015, (ii) reduce the interest rate from 15.0% to 8.0%, and (iii) reset the conversion price between $0.45 and $0.75 per share and eliminate all conversion price adjustments after the amendment. Additionally, between February and April 2015, holders of $1,858 principal amount converted their notes and accrued interest into 3,314,166 shares of the Company's common stock, and holders of $3,375 principal amount agreed to exchange their notes for 10% exchange convertible notes. Additionally, holders of the 34,939,928 warrants issued in the first quarter of 2014 in connection with the Senior Secured Notes private placement agreed to amend their warrants to (i) remove the adjustment provisions stemming from any subsequent issuances, (ii) add a cashless exercise provision and (iii) set the exercise price at either $1.01 or $0.45. See Note 8 for further information on the Company's warrants.

[8]

Subsequent Event. As discussed in Note 17, in October 2015 the Company repaid outstanding principal under convertible debt agreements plus accrued interest and prepayment penalties in the aggregate amount of $5,272.

[9]

Bridge Financing Notes. In February and March 2015, the Company completed private offerings for an aggregate of $16,842 principal amount of 5% Original Issue Discount Convertible Promissory Notes (the "Bridge Financing Notes") and warrants to purchase shares of common stock with accredited investors for total net proceeds to the Company of approximately $16,000 after deducting placement agent fees and other expenses. The Bridge Financing Notes accrued interest at an annual rate of 12.0% and were due and repaid by June 2015 from proceeds from the Term Loans discussed in Note 7(a) above. The Bridge Financing Notes were convertible to shares of common stock at a conversion price of $0.75 per share. Warrants for an aggregate of 22,270,870 shares of common stock were granted in connection with these financings. The warrants are exercisable for $0.45 per share for a period of five years from the original issue date. The exercise price for the warrants is subject to adjustment upon certain events, such as stock splits, combinations, dividends, distributions, reclassifications, mergers or other corporate change.