Notes Payable (Tables)

6 Months Ended

Jun. 30, 2013

Notes Payable [Abstract]

Schedule of Future Minimum Principal Payments

Aggregate future minimum principal payments on the Equipment Loan, including the 2013 Funding, at June 30, 2013 are as follows (in thousands):

Year	Amount
2013 (remainder)	$	286
2014		571
2015		571
2016		396
	$	1,824