Condensed Consolidated Balance Sheets (USD $)	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 17,768,818	$ 19,043,213
Receivables, net	2,295,188	2,456,883
Inventories	2,270,474	2,382,802
Prepaid expenses	2,484,506	2,636,422
Deferred income taxes	5,425,848	5,425,848
Total current assets	30,244,834	31,945,168
Property and equipment
Land	27,914,847	27,914,847
Land improvements	6,561,729	6,561,729
Buildings	150,843,298	150,843,298
Building improvements	11,681,100	11,681,100
Furniture and equipment	137,523,457	132,946,374
Leasehold improvements	1,346,965	1,346,965
Gross property and equipment	335,871,396	331,294,313
Less accumulated depreciation and amortization	(160,001,038)	(152,868,719)
Net property and equipment	175,870,358	178,425,594
Other assets
Goodwill	25,110,810	25,110,810
Intangible assets, net	9,078,627	10,204,691
Deferred income taxes	1,214,113	1,214,113
Other assets, net	1,067,020	1,219,579
Total other assets	36,470,570	37,749,193
Total assets	242,585,762	248,119,955
Current liabilities
Accounts payable	8,068,523	8,061,570
Accrued expenses	16,644,425	17,836,194
Income taxes payable	13,211	274,401
Total current liabilities	24,726,159	26,172,165
Long-term debt	64,800,000	81,100,000
Total liabilities	89,526,159	107,272,165
Stockholders' equity
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued
Common stock, $.01 par value, 30,000,000 shares authorized; 19,096,300 shares issued; 16,277,765 outstanding at June 30, 2013 and 16,147,324 at December 31, 2012	190,963	190,963
Additional paid-in capital	32,822,167	34,363,690
Treasury stock, 2,818,535 shares at June 30, 2013 and 2,948,976 at December 31, 2012, at cost	(44,934,950)	(48,306,046)
Retained earnings	164,981,423	154,599,183
Total stockholders' equity	153,059,603	140,847,790
Total liability and stockholder's equity	$ 242,585,762	$ 248,119,955