Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

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COMMITMENTS AND CONTINGENCIES (Details)
 1 Months Ended 6 Months Ended 12 Months Ended
Jun. 20, 2018
USD ($)
Jan. 01, 2018
USD ($)
Nov. 30, 2017
USD ($)
Jun. 30, 2017
USD ($)
square_feet
Jun. 30, 2018
USD ($)
option
Dec. 31, 2017
USD ($)
Dec. 31, 2004
USD ($)
a
Various Buildings And Land In Cripple Creak, Colorado              
Commitments and Contingencies [Line Items]              
Capitalized costs     $ 200,000        
Silver Slipper Casino | Land lease              
Commitments and Contingencies [Line Items]              
Purchase price of leased land and buildings             $ 15,500,000
Lease includes base payments             $ 77,500
Percentage of gross gaming revenue             3.00%
Gross gaming revenue (in excess of)             $ 3,650,000
Retained interest in percentages of net income             3.00%
Retained interest in percentages of net income, term             10 years
New purchase price if change in ownership of Silver Slipper             $ 17,100,000
Silver Slipper Casino | Land lease | Marshland              
Commitments and Contingencies [Line Items]              
Area of land subject to ground lease | a             31
Silver Slipper Casino | Land lease | Parcel              
Commitments and Contingencies [Line Items]              
Area of land subject to ground lease | a             7
Grand Lodge Casino facility              
Commitments and Contingencies [Line Items]              
Lease includes base payments   $ 166,667       $ 145,833  
EBITDA measurement period         12 months    
Corporate Office Lease              
Commitments and Contingencies [Line Items]              
Lease includes base payments       $ 200,000      
Office lease, square feet | square_feet       4,479      
Land, Buildings and Improvements | Various Buildings And Land In Cripple Creak, Colorado              
Commitments and Contingencies [Line Items]              
Purchase price of leased land and buildings     2,500,000        
Annual increase to purchase price option     100,000        
Maximum purchase price on purchase option     2,800,000        
Option to purchase land with a hotel     1,700,000        
Option to purchase land with a residence     $ 300,000        
Land, Buildings and Improvements | Various Buildings And Land In Cripple Creak, Colorado | Lease Terms, Option One              
Commitments and Contingencies [Line Items]              
Term of contract if exercised     3 years        
Annual lease payments     $ 200,000        
Land, Buildings and Improvements | Various Buildings And Land In Cripple Creak, Colorado | Lease Terms, Option Two              
Commitments and Contingencies [Line Items]              
Annual lease payments     $ 300,000        
Lease extension term     2 years        
Parking Lot              
Commitments and Contingencies [Line Items]              
Land purchase options exercised $ 1,200,000            
Certain parking lots and buildings | Bronco Billy's Casino and Hotel              
Commitments and Contingencies [Line Items]              
Purchase price of leased land and buildings         $ 7,600,000    
Lease includes base payments           $ 18,500  
Number of renewal options | option         6    
Lease extension term         3 years    
Certain parking lots and buildings | Bronco Billy's Casino and Hotel | Lease Terms, Option One              
Commitments and Contingencies [Line Items]              
Lease includes base payments         $ 25,000    
Certain parking lots and buildings | Bronco Billy's Casino and Hotel | Lease Terms, Option Two              
Commitments and Contingencies [Line Items]              
Lease includes base payments         $ 30,000