Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
Vacation accrual	$ 78,200	$ 79,600
Player rewards program accrual	199,100	191,600
Stock options and stock appreciation rights	183,100	256,300
Tax depreciation greater than book depreciation	(3,772,000)	(2,408,400)
Deferred gain on sale of land	(410,000)	(453,800)
Land, building and equipment - cost and depreciation	(676,300)
Long-Term incentive plan	29,700
Other	11,200	(7,200)
Net long-term deferred tax (liabilites) assets	$ (4,357,000)	$ (2,341,900)