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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Less allowance for doubtful accounts (in Dollars)	$ 16	$ 16
Less treasury stock common shares at cost (in Shares)	1,965,740	1,965,740
Series A Preferred Stock [Member]
Convertible Preferred stock liquidation preference (in Dollars per share)	$ 500,000	$ 500,000
Series C Preferred Stock [Member]
Convertible Preferred stock liquidation preference (in Dollars per share)	$ 1,744,705	$ 1,686,527

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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