Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Accounts receivable, allowance (in Dollars)	$ 80
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000	1,000
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	40,000	40,000
Common stock, shares outstanding	10,892	10,882
Series A Preferred Stock [Member]
Preferred stock, shares authorized	250	250