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Note B - Allowance for Doubtful Accounts
12 Months Ended
Dec. 31, 2011
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Note B – Allowance for Doubtful Accounts

The allowance for doubtful accounts was $433,000 and $371,000 at December 31, 2011 and 2010, respectively.