Note 6 - Accrued Liabilities

3 Months Ended

Mar. 31, 2012

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

6.      Accrued Liabilities

Accrued liabilities consist of the following:

	December 31, 2011		March 31, 2012
Accrued liabilities:
Compensation and other benefit accruals	$	2,066	$	2,121
Accrued interest on Series A Preferred Stock		434		589
Other accruals		2,581		1,944
Total accrued liabilities	$	5,081	$	4,654