Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Notes Payable (Details Textual)

v3.20.2
Note 8 - Notes Payable (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended
May 18, 2020
USD ($)
Nov. 30, 2019
USD ($)
Nov. 30, 2018
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
May 31, 2015
Interest Expense, Debt, Total       $ 2,000 $ 2,000 $ 5,000 $ 6,000    
Notes Payable, Current, Total       410,254   410,254   $ 305,955  
Proceeds from Notes Payable, Total           366,000    
Notes Payable Issued for Prepayment of Insurance Premiums [Member] | IPFS [Member]                  
Debt Instrument, Face Amount     $ 393,000            
Debt Instrument, Interest Rate, Stated Percentage     5.10%            
Debt Instrument, Term (Month)     300 days            
Debt Instrument, Periodic Payment, Total     $ 40,000            
Interest Expense, Debt, Total         $ 2,000   $ 6,000    
Notes Payable Issued for Prepayment of Insurance Premiums [Member] | FIF [Member]                  
Debt Instrument, Face Amount   $ 349,000              
Debt Instrument, Interest Rate, Stated Percentage   5.00%              
Debt Instrument, Term (Month)   240 days              
Debt Instrument, Periodic Payment, Total   $ 44,000              
Interest Expense, Debt, Total       2,000   5,000      
Notes Payable, Current, Total       $ 44,000   $ 44,000   $ 306,000  
Paycheck Protection Program CARES Act [Member]                  
Proceeds from Notes Payable, Total $ 366,000                
CRG [Member] | Term Loan Agreement [Member]                  
Debt Instrument, Number of Quarterly Payments                 8