Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Accrued Liabilities [Abstract]

Components of accrued liabilities

The components of accrued liabilities are summarized below (in thousands):

	March31, 2015		December31, 2014
Accrued product warranty	$	392	$	802
Accrued compensation and related charges		1,718		2,656
Current portion of royalty payments		744		800
Dividends payable by consolidated joint ventures		646		563
Accrued professional services		304		509
Accrued income taxes		110		119
Other accrued liabilities		1,901		2,185
	$	5,815	$	7,634