Restructuring

On October 1, 2013, the Company announced a plan to terminate approximately 75% of its total workforce in connection with the closing of its Montreal, Quebec and Princeton, New Jersey offices (the "Restructuring") due to the consolidation of Company operations to the San Diego facility. Restructuring costs were comprised of employee separation and facilities closure related costs and were reported as a separate line item in the accompanying consolidated statement of operations and comprehensive loss. A rollforward of the accrued restructuring liability is presented below (in thousands):



Balance as of October 1, 2013	$	—
Accrued restructuring charges	1,025
Payments	(729		)
Balance as of December 31, 2013	296
Accrued restructuring charges	334
Payments	(630		)
Balance as of December 31, 2014	$	—

The restructuring activities associated with the office closures were substantially complete as of March 31, 2014, and all restructuring costs incurred have been paid to date.