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Note F - Treasury Stock	9 Months Ended
	Sep. 30, 2017
Notes to Financial Statements
Treasury Stock [Text Block]	NOTE F : TREASURY STOCK The Company ’s stock repurchase program has been extended and expanded several times, most recently in April 2017, when the Board of Directors reauthorized 500,000 shares of common stock for repurchase under the initial September 2011 authorization. During the nine months ended September 30, 2017, the Company repurchased 110,316 shares of its common stock at an aggregate cost of approximately $1,961,000 under this program. The Company accounts for Treasury stock using the cost method and as of September 30, 2017, 5,224,376 shares were held in the treasury at an aggregate cost of approximately $124,796,000.

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- References

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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