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Note 2 - Allowance for Doubtful Accounts	12 Months Ended
	Dec. 31, 2014
Disclosure Text Block Supplement [Abstract]
Allowance for Credit Losses [Text Block]	Note B – Allowance for Doubtful Accounts The allowance for doubtful accounts was $474,000 and $498,000 at December 31, 2014 and 2013, respectively.

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- Definition

The entire disclosure for allowance for credit losses.

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