In the fourth quarter of fiscal 2016, the Board of Directors approved a plan of restructuring intended to streamline and flatten the Company’s organization, reduce overall headcount by approximately 30%, and reduce its overall cost structure by approximately $2.5 million per quarter. The restructuring plan resulted in special charges totaling $0.3 million recorded during the three month period ended December 31, 2016. These charges were for primarily related to severance costs and were all paid out by December 31, 2016.

In the first quarter of fiscal 2017, the Board of Directors approved an additional restructuring plan intended to further streamline and flatten the Company’s organization, reduce overall headcount by approximately 16%, and reduce its overall cost structure by another $0.9 - $1.0 million per quarter. The restructuring plan resulted in special charges totaling approximately $0.3 million recorded during the three-month period ending March 31, 2017. These charges were primarily related to severance costs and include $0.1 million of non-cash stock-based compensation severance.

Following is the activity in our restructuring liability for the year ended December 31, 2018 (in thousands):

	Balance at December 31, 2017		Provision, net		Usage			Balance at December 31, 2018
Lease/rental terminations	$	704		—		(209	)	$	495
One-time employee termination benefits		—		173		(59	)		114
Total	$	704	$	173	$	(268	)	$	609

During the fourth quarter of 2017, the Company renewed and secured sublease contracts through the end of the lease expiration and consequently updated its future sublease assumptions resulting in $0.7 million of restructuring income on the consolidated statement of operations and comprehensive income.