Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Accrued Liabilities

Accrued liabilities at December 31, 2014 and 2013, consisted of the following (in thousands):

	December 31,
	2014		2013
Accrued compensation and related costs	$	3,951	$	2,527
Accrued professional services		2,123		2,722
Accrued inventory costs		870		3,553
Accrued customer costs		385		59
Accrued insurance premiums		264		226
Other accrued expenses		851		726
Total accrued liabilities	$	8,444	$	9,813