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Note F - Treasury Stock	9 Months Ended
	Sep. 30, 2015
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. During the nine months ended September 30, 2015, the Company repurchased 31,263 shares of its common stock at an aggregate cost of approximately $1,495,000 under this program. On May 22, 2015, the Company commenced a tender offer to repurchase up to 80,000 shares of the Company’s outstanding common stock at a price of up to $63.00 per share. On June 23, 2015, the Company extended the offer and increased the offer from 80,000 shares to 150,000 shares. Upon expiration of the tender offer on July 9, 2015, the Company accepted 298,566 shares of its common stock for purchase at $59.00 per share, including 148,566 oversubscribed shares tendered, at an aggregate cost of approximately $17,783,000. The Company accounts for Treasury stock using the cost method and as of September 30, 2015, there were 4,380,810 shares held in the treasury at an aggregate cost of approximately $101,779,000.

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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.

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