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Note F - Treasury Stock	3 Months Ended
	Mar. 31, 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 May 2014, when the Board of Directors reauthorized 500,000 shares of common stock for repurchase under the initial September 2011 authorization. The Company did not repurchase any shares of its common stock during the three months ending March 31, 2017. The Company accounts for treasury stock using the cost method and as of March 31, 2017, 5,114,060 shares were held in the treasury at an aggregate cost of approximately $122,835,000.

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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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