Note 4 - Accrued Liabilities

9 Months Ended

Sep. 30, 2012

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

4. Accrued Liabilities- Accrued liabilities consist of the following (in thousands):

	September 30,		December 31,
	2012		2011
Deferred revenue and customer prepayments	$	2,950	$	3,603
Stock rotation reserve		1,413		1,086
Legal expenses and settlement costs		446		911
Warranty		859		561
Other		1,832		1,684
Total accrued liabilities	$	7,500	$	7,845

A roll-forward of the warranty reserve for the nine months ended September 30, 2012 and 2011 is as follows (in thousands):

	Nine months ended September 30,
	2012			2011
Balance at beginning of year	$	561		$	764
Warranty provision for product sales		802			747
Settlements made during the period		(154	)		(607	)
Unused warranty provision		(350	)		(324	)
Balance at end of period	$	859		$	580