Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, aggregate liquidation value (in Dollars)	$ 304
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	11,306,323	10,725,899
Common stock, shares outstanding	11,306,323	10,725,899
Total [Member]
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares designated Series A convertible preferred stock	5,000,000	5,000,000
Series A Convertible Preferred Stock [Member]
Preferred stock, shares authorized	1,761,900	1,761,900
Preferred stock, shares designated Series A convertible preferred stock	1,761,900	1,761,900
Preferred stock, shares issued	138,400	138,400
Preferred stock, shares outstanding	138,400	138,400