Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Notes Payable

Notes payable consist of the following at December 31 (in thousands):

	2014		2013
Equipment loan; 12.1%, principal payments due in monthly installments totaling $48 through December 2016	$	967	$	1,538
Loan agreement; bearing interest at 3% per annum; repayment is conditional		—		200
Bank loans; 7.50%-8.50%, principal payments due quarterly totaling $22 through May 2015		31		143
Total		998		1,881
Less — current portion		(603)		(877)
Long-term portion	$	395	$	1,004

Schedule of Future Minimum Principal Payments

Aggregate future minimum principal payments on long-term debt at December 31, 2013 are as follows (in thousands):

Year	Amount
2015	$	603
2016		395
Total minimum principal payments	$	998