Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Allowance of accounts receivable (in Dollars)	$ 329	$ 288
Mandatorily redeemable series A preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Mandatorily redeemable series A preferred stock, shares authorized (in Shares)	360,000	360,000
Mandatorily redeemable series A preferred stock, shares issued (in Shares)	164,946	147,030
Mandatorily redeemable series A preferred stock, shares outstanding (in Shares)	164,946	147,030
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	30,000,000	30,000,000
Common stock, shares issued (in Shares)	8,453,671	8,453,671
Common stock, shares outstanding (in Shares)	7,214,784	7,214,784
Treasury stock shares repurchased (in Shares)	1,238,887	1,238,887