Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Statement Of Financial Position [Abstract]
Series A 6% Convertible Preferred Stock, Par or Stated Value Per Share (in dollars per shares)	$ 0.01	$ 0.01
Series A 6% Convertible Preferred Stock, Shares Authorized	5,000	5,000
Series A 6% Convertible Preferred Stock, Shares Issued	0	200
Series A 6% Convertible Preferred Stock, Shares Outstanding	0	200
Common Stock, Par or Stated Value (in dollars per shares)	$ 0.25	$ 0.25
Common Stock, Shares Authorized	6,000	6,000
Common Stock, Shares, Issued	2,400	1,934
Common Stock, Shares, Outstanding	2,400	1,934