Debt (Tables)

6 Months Ended

Jun. 30, 2015

Debt

Schedule of maturities of long-term debt

Future minimum principal on long-term debt as of June 30, 2015 are as follows:

		Principal
		(in thousands)
Years ending December 31:
2015 (six months)	$	1,170
2016		2,340
2017		1,170
2018		—
2019		20,000
Total	$	24,680