OTHER ASSETS

12 Months Ended

Dec. 31, 2012

OTHER ASSETS

OTHER ASSETS

11.  OTHER ASSETS

Other assets consist of the following as of December 31:

(in thousands)	2012		2011
Security deposits, net	$	5,019	$	7,615
Debt issuance costs, net	4,260		—
Maintenance agreements, non-current portion	1,614		—
Unbilled fees	423		1,773
Restricted cash	158		158
Other	200		40
Total	$	11,674	$	9,586

Debt issuance costs of $4.3 million were capitalized in November 2012 in connection with long-term debt (see Note 13).