Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2012		2011
Deferred revenue and customer prepayments	$	2,198	$	3,603
Stock rotation reserve		961		1,086
Legal expenses and settlement costs		402		911
Warranty		331		561
Other		2,023		1,684
Total accrued liabilities	$	5,915	$	7,845