Long Term Debt (Tables)

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Amount Related to Facility and Revenue Purchase Agreements

The following amounts are included in the consolidated balance sheet as of March 31, 2014 related to the Facility Agreement and Revenue Purchase Agreement: (in thousands)

Principal Amount of Facility Agreement	$	15,000
Unamortized discount		(2,816	)
Carrying amount of Facility Agreement		12,184
Revenue Purchase Agreement		3,471
Less current portion of Facility Agreement		(3,750	)
Notes payable long-term portion	$	11,905

Interest Included in Consolidated Income Statement

The following amounts comprise interest included in our consolidated statement of operations for the three months ended March 31, 2014 and 2013: (in thousands)

	Three months ended March 31,
	2014		2013
Cash interest expense	$	578	$	553
Non-cash amortization of debt discount		135		154
Amortization of debt costs		48		44
Amortization of settlement obligations		52		75
Interest expense capital lease		4		—
Total interest expense	$	817	$	826