Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2012

Accrued Liabilities [Abstract]

Components of accrued liabilities

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

	September 30,		December 31,
	2012		2011
Accrued compensation and related charges		1,099		1,807
Current portion of royalty payments		913		1,375
Accrued product warranty		697		1,003
Accrued professional services		689		650
Accrued income taxes		526		306
Advances from customers		242		74
Loan commitment for related party notes receivable		-		868
Other accrued liabilities		2,634		1,514
	$	6,800	$	7,597