Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Allowance of accounts receivable (in Dollars)	$ 235	$ 201
Mandatorily redeemable series A preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Mandatorily redeemable series A preferred stock, shares authorized	360,000	360,000
Mandatorily redeemable series A preferred stock, shares issued	140,000	140,000
Mandatorily redeemable series A preferred stock, shares outstanding	0	0
Preferred stock par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	600,000	600,000
Preferred stock, shares issued	0	339,375
Preferred stock, shares outstanding	0	339,375
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	8,453,671	8,453,671
Common stock, shares outstanding	7,214,784	7,214,784
Treasury stock shares repurchased	1,238,887	1,238,887