8 Accrued expenses and other current liabilities

Accrued expenses and other current liabilities include the following items:

	December 31, 2016		December 31, 2015
	in thousands
Accruals for services provided by vendors-not yet billed	$	4,150	$	3,717
Extera claim		—		1,445
Personnel related accruals		4,381		3,250
Social security and other taxes		1,178		877
Other current liabilities		57		574

Total	$	9,766	$	9,863

As of December 31, 2015, the Company accrued $1.4 million related to the partial award in its arbitration proceedings with Extera Partners LLC ("Extera"). In December 2016, the Company and Extera Partners agreed to settle the arbitration case for a total amount of $2.9 million (including legal and related settlement costs). The expense is presented as selling, general and administrative expense in the consolidated statements of operations and comprehensive loss.

In November 2016, the Company announced a plan to restructure its activities as a result of a company-wide strategic review with the aim of refocusing its pipeline, consolidating its manufacturing and enhancing overall execution. Following the announcement of the plan, the Company recognized an accrual for termination benefits contractually agreed with four executives of $1.1 million, of which $0.9 million is included in research and development expense and $0.2 million in selling, general and administrative expense. The termination benefits will be paid in the first two quarters of 2017. In addition, the Company incurred $0.2 million of non-cash share-based payment expenses related to the accelerated vesting of performance share units granted to these executives.

The Company entered into termination agreements with non-executive employees in January 2017, the related termination benefits of approximately $0.5 million will be recognized over the relevant remaining service period during 2017.