2013 Restructuring (Tables)

12 Months Ended

Dec. 31, 2014

Restructuring And Related Activities [Abstract]

Amount Expected to be Incurred and Amount Incurred by Expense Type

The total amounts incurred in connection with the restructuring including asset impairments during the years ended December 31, 2014 and 2013 by expense type are as follows (in thousands):

			Incurred Year Ended		Incurred Year Ended
	Total Estimated Expense		December 31, 2013		December 31, 2014
Severance	$	419	$	419	$	—
Other		142		96		46
Total	$	561	$	515	$	46

Reconciliation of Beginning and Ending Liability Balances by Expense Type

A reconciliation of the beginning and ending liability balances by expense type follows (in thousands):

	Severance			Other
	Expense			Expenses
Beginning Balance—January 1, 2013	$	—		$	—
Costs charged to expense		419			96
Costs paid or otherwise settled		(387	)		(82	)
Ending Balance—December 31, 2013	$	32		$	14
Costs paid or otherwise settled		(32	)		(14	)
Ending Balance—December 31, 2014	$	—		$	—

Schedule of Costs in Results of Operations

The restructuring costs have been included in the results of operations as follows (in thousands):

	Year Ended
	December 31,
	2014		2013
Cost of revenue	$	—	$	163
Selling, general and administrative		14		221
Research and development		32		131
Total	$	46	$	515