Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Accrued Liabilities [Abstract]

Components of accrued liabilities

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

	As of December 31,
	2013		2012
Accrued compensation and related charges	$	1,762	$	2,066
Accrued product warranty		1,048		588
Current portion of royalty payments		800		800
Accrued professional services		543		609
Dividends payable by consolidated joint ventures		649		—
Accrued income taxes		125		640
Other accrued liabilities		2,359		2,499
	$	7,286	$	7,202