9. LOAN PAYABLE

In October 2012, the Company entered into a loan agreement with the Massachusetts Development Finance Agency ("MassDev") from the Commonwealth of Massachusetts's Emerging Technology fund. The loan agreement provides the Company with a $2,000,000 line of credit, with $200,000 to be used for working capital purposes and the remainder of which is to be used for the purchase of capital equipment. The annual interest rate is fixed at 6.5% with interest payments only commencing on November 1, 2012 for the first thirty months and then equal interest and principal payments over the next fifty-four months with the final maturity on October 5, 2019. Based on the $1,920,000 balance outstanding as of December 31, 2013, equal monthly principal payments of $35,556 will be due commencing on May 1, 2015. Therefore, for the years ending December 31, 2015, 2016, 2017, 2018, and 2019 principal payments of approximately $284,444, $426,667, $426,667, $426,667, and $355,555 respectively, will be due. In September 2012, the Company was assessed commitment fees totaling $15,000, which was charged to interest expense. In October 2012 as part of the commitment fee, the Company issued MassDev a warrant for the purchase of 36,145 shares of Common Stock. The warrant has a seven year term and is exercisable at $1.66 per share. The fair value of the warrant was determined to be $31,916 and was recorded as a deferred financing cost and is being amortized to interest expense over a seven year period commencing in October 2012. Amortization of the deferred financing cost for the year ended December 31, 2013 and 2012 was $4,560 and $1,140 respectively and was included in interest expense. The equipment line of credit is secured by substantially all the assets of the Company excluding intellectual property. During 2013, the Company drew on the line and received proceeds of $342,000, for capital equipment. Interest expense related to this loan was $119,817 for the year ended December 31, 2013 and $14,794 for the year ended December, 31 2012.

In June 2011, the Company entered into a loan agreement with a bank. The loan agreement had provided the Company with a $1,000,000 line of credit for the purchase of capital equipment. The annual interest rate was the greater of 6.75% or 3.50% above the Prime Rate. Borrowings were repayable in equal monthly installments over a thirty six month period. The Company was assessed commitment fees totaling $10,000 and issued the bank a warrant for the purchase of 16,071 shares of Common Stock. The warrant has a seven year term and is exercisable at $1.40 per share. The fair value of the warrant was determined to be approximately $10,000 and was recorded as a deferred financing cost that was being amortized to interest expense over the life of the loan. Under the terms of the MassDev loan disclosed above, in October 2012 the Company repaid the outstanding balance of $134,372 due to the bank and wrote off the remaining deferred financing costs. Amortization of deferred interest on this loan for the years ended December 31, 2012 and 2011 was $6,219 and $4,146, respectively, and was included in interest expense. Interest expense related to the loan payable to the bank was $16,428 and $8,334 for the years ended December 31, 2012 and 2011, respectively.

At December 31, loans payable consist of the following:

	December 31,

	2013		2012
Equipment Loan	$	1,920,000	$	1,578,000
Less: current portion		—		—


	$	1,920,000	$	1,578,000