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CREDIT FACILITY (Details) - USD ($)
3 Months Ended 6 Months Ended
May 12, 2010
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Jun. 29, 2017
Line of Credit Facility [Line Items]              
Revolving secured credit facility, maximum borrowing available $ 8,000,000           $ 4,000,000
Line of credit sublimit $ 2,000,000            
Document Period End Date       Dec. 31, 2018      
Line of credit facility   $ 0   $ 0   $ 0  
Interest Expense, Debt   $ 0 $ 2,526   $ 5,218    
Minimum [Member]              
Line of Credit Facility [Line Items]              
Unused capacity, commitment fee percentage 0.30%            
Minimum [Member] | Prime Rate [Member]              
Line of Credit Facility [Line Items]              
Interest rate, percentage spread, depending on Company's leverage ratio 0.00%            
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]              
Line of Credit Facility [Line Items]              
Interest rate, percentage spread, depending on Company's leverage ratio 2.00%            
Maximum [Member]              
Line of Credit Facility [Line Items]              
Unused capacity, commitment fee percentage 0.45%            
Maximum [Member] | Prime Rate [Member]              
Line of Credit Facility [Line Items]              
Interest rate, percentage spread, depending on Company's leverage ratio 0.75%            
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]              
Line of Credit Facility [Line Items]              
Interest rate, percentage spread, depending on Company's leverage ratio 3.00%