Leases And Commitments (Narrative) (Details)		1 Months Ended	12 Months Ended
	Dec. 14, 2015 USD ($) a	Mar. 31, 2014	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Operating Leased Assets [Line Items]
Lease agreement term			5 years
Number of acres purchased | a	32
Total purchase price of land	$ 4,881,000
Present value of minimum lease payments due within one year			$ 585,563
Cash payment for land	1,459,000		1,700,000
Monthly lease payment			$ 58,533
Annual interest rate			4.00%
Length of service agreement to totalizator provider		7 years
Service agreement charges			$ 224,000	$ 226,000
Operating lease rent expense charged to operations			$ 145,000	$ 140,000
Land Proceeds [Member]
Operating Leased Assets [Line Items]
Cash payment for land	$ 1,443,000