Related-party arrangements (Tables)

12 Months Ended

Dec. 31, 2013

Principal Amount Outstanding under Loan Arrangement

The principal amount outstanding under the Loan Arrangement as of December 31, 2012 and 2013, respectively, subsequent to the completion of the common stock purchase agreements was as follows (in thousands):


Principal amount outstanding at December 31, 2012	$	119,635
Capitalization of accrued and unpaid interest due and payable as of October 31, 2013		7,886
Reduction of principal indebtedness related to the issuance of common stock pursuant to The Mann Group Warrants completed on October 31, 2013		(78,000	)

Principal amount outstanding at December 31, 2013	$	49,521