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Note B - Allowance for Doubtful Accounts | 12 Months Ended
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Dec. 31, 2013
Disclosure Text Block Supplement [Abstract] |
Allowance for Credit Losses [Text Block] | Note B – Allowance for Doubtful Accounts The allowance for doubtful accounts was $498,000 and $561,000 at December 31, 2013 and 2012, respectively.

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- Definition The entire disclosure for allowance for credit losses. + References No definition available. + Details
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Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration