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Note J - Treasury Stock (Details) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2013 | Jun. 30, 2013 | Jun. 02, 2011 Maximum [Member]
Note J - Treasury Stock (Details) [Line Items] |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 2,000,000
Treasury Stock, Shares, Acquired (in Shares) | 2,700 | 5,100 | 132,132 |
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) | $ 4.55 | $ 4.55 | $ 5.32 |
Treasury Stock, Value, Acquired, Cost Method | $ 12,000 | $ 23,000 | $ 703,000 |

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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