Note B - Allowance for Doubtful Accounts	12 Months Ended
Dec. 31, 2012
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	Note B – Allowance for Doubtful Accounts The allowance for doubtful accounts was $561,000 and $433,000 at December 31, 2012 and 2011, respectively.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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