Note 5 - Accrued Liabilities

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

5.   Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	As of December 31,
	2013		2012
Proceeds from litigation (see Note 10)	$	9,489	$	-
Deferred revenue and customer prepayments		2,523		2,198
Stock rotation reserve		1,459		961
Commissions		931		464
Sales rebate		900		575
Warranty		451		331
Other		1,623		1,386
Total accrued liabilities	$	17,376	$	5,915