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Summary of Significant Accounting Policies - Additional Information (Detail)
 3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
shares
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Segment
shares
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Summary Of Significant Accounting Policies [Line Items]          
Federal Deposit Insurance Corporation protection limits $ 250,000   $ 250,000    
Un-amortized franchise fees 354,197   354,197   $ 386,612
Amortization expense 29,494 $ 13,083 60,946 $ 30,262  
Deferred offering costs write off 500,000   500,000    
Lease revenue 400,000 500,000 900,000 900,000  
Deferred income taxes 6,691,344   6,691,344   6,949,340
Deferred tax assets related to net operating losses 5,800,000   $ 5,800,000   6,000,000
Minimum percentage of likelihood of realization of deferred tax assets     50.00%    
Deferred tax assets valuation allowance 0   $ 0    
Uncertain tax positions 0   0   $ 0
Compensation cost recognized     217,086 201,722  
Advertising cost 85,094 120,996 150,104 195,059  
Gain on involuntary conversion of assets 0   $ 1,041,815    
Number of reportable segment | Segment     1    
Reclassifications of expenses from rooms expense to indirect expense 15,605,262 14,857,886 $ 29,810,493 29,224,260  
Reclassifications of Expenses [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Reclassifications of expenses from rooms expense to indirect expense   200,000   500,000  
2004 Plan [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued under plan | shares     337,438    
Termination year of stock based compensation plan     2013    
2004 Plan [Member] | Executives and Employees [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued under plan | shares     255,938    
2004 Plan [Member] | Director [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued under plan | shares     81,500    
Stock-based Compensation , Number of Shares, Vested | shares     81,500    
2004 Plan [Member] | Chief Financial Officer [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued but not vested | shares     6,000    
2013 Plan [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued under plan | shares     121,100    
Performance-based stock awards granted | shares     0    
2013 Plan [Member] | Executives and Employees [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued under plan | shares     74,600    
2013 Plan [Member] | Director [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Shares issued under plan | shares     46,500    
Shares issued but not vested | shares     12,000    
2004 and 2013 Plan [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Compensation cost recognized $ 4,980 $ 4,980 $ 99,120 $ 201,722  
Maximum [Member] | 2004 Plan [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Restricted and performance stock awards permitted to grant to employees | shares 350,000   350,000    
Maximum [Member] | 2013 Plan [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Restricted and performance stock awards permitted to grant to employees | shares 750,000   750,000    
Buildings and Improvements [Member] | Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of the assets     7 years    
Buildings and Improvements [Member] | Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of the assets     39 years    
Furniture, Fixtures and Equipment [Member] | Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of the assets     3 years    
Furniture, Fixtures and Equipment [Member] | Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of the assets     10 years