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Note D - Stock-Based Compensation (Details) - Stock Option Activity by Exercise Price - Jun. 30, 2015 - $ / shares	Total
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Shares Under Outstanding Options	66,548
Weighted-Average Remaining Contractual Term	4 years 255 days
Shares Under Exercisable Options	32,239
Exercise Price 1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (in Dollars per share)	$ 10.44
Shares Under Outstanding Options	15,000
Weighted-Average Remaining Contractual Term	2 years 255 days
Shares Under Exercisable Options	15,000
Exercise Price 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (in Dollars per share)	$ 10.90
Shares Under Outstanding Options	6,000
Weighted-Average Remaining Contractual Term	1 year 328 days
Shares Under Exercisable Options	6,000
Exercise Price 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (in Dollars per share)	$ 10.90
Shares Under Outstanding Options	29,600
Weighted-Average Remaining Contractual Term	6 years 328 days
Shares Under Exercisable Options	2,000
Exercise Price 4 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (in Dollars per share)	$ 11.22
Shares Under Outstanding Options	7,948
Weighted-Average Remaining Contractual Term	5 years 146 days
Shares Under Exercisable Options	1,239
Exercise Price 5 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (in Dollars per share)	$ 11.54
Shares Under Outstanding Options	4,000
Weighted-Average Remaining Contractual Term	1 year 255 days
Shares Under Exercisable Options	4,000
Exercise Price 6 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (in Dollars per share)	$ 11.75
Shares Under Outstanding Options	4,000
Weighted-Average Remaining Contractual Term	255 days
Shares Under Exercisable Options	4,000

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(iii)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(1)(i)-(ii)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(1)(iii)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (e)(1)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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