XML 60 R45.htm IDEA: XBRL DOCUMENT v3.20.2
Note 8 - Credit Facility and SBA Loan (Details Textual) - USD ($)
12 Months Ended
Apr. 13, 2020
May 14, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Interest Expense, Debt, Total     $ 0 $ 0  
Paycheck Protection Program CARES Act [Member]          
Proceeds from Short-term Debt, Total $ 506,700        
Town Bank [Member] | Credit Agreement [Member]          
Debt Instrument, Term (Year)   2 years      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.00%      
Long-term Line of Credit, Total     $ 0   $ 0
Town Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity   $ 5,000,000      
Town Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]          
Debt Instrument, Basis Spread on Variable Rate   1.50%      
Town Bank [Member] | Credit Agreement [Member] | Letter of Credit [Member]          
Line of Credit Facility, Maximum Borrowing Capacity   $ 1,000,000