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Note G - Treasury Stock	3 Months Ended
Note G - Treasury Stock	Mar. 31, 2018
Notes to Financial Statements
Treasury Stock [Text Block]	NOTE G : 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 three months ended March 31, 2018 the Company repurchased 1,000 shares of its common stock at an aggregate cost of approximately $36,000 under this program. The Company accounts for Treasury stock using the cost method and as of March 31, 2018, 5,369,235 shares were held in the treasury at an aggregate cost of approximately $129,219,000.