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Employee Benefit Plans	12 Months Ended
Employee Benefit Plans	Dec. 31, 2017
Employee Benefit Plans [Abstract]
Employee Benefit Plans	Note H - Employee Benefit Plans The Company maintains a defined contribution 401(k) Employee Savings and Profit Sharing Plan (the "Plan") which covers nearly all employees who have completed one year of service. The Company's contributions are based on a set percentage and the contributions to the Plan for 2017, 2016 and 2015 were $2,797, $2,449 and $2,090, respectively.