Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Leases (Details Textual)

v3.21.2
Note 10 - Leases (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2021
USD ($)
ft²
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
ft²
Jun. 30, 2020
USD ($)
Operating Lease, Expense   $ 44,000 $ 50,000 $ 90,000 $ 102,000
Operating Lease, Payments       $ 185,000 $ 181,000
Office Space at 4995 Bradenton Avenue, Dublin Ohio [Member]          
Area of Real Estate Property (Square Foot) | ft²   5,000   5,000  
Operating Lease, Monthly Base Rent       $ 3,000  
Office Space at 5600 Blazer Parkway, Dublin, Ohio [Member]          
Area of Real Estate Property (Square Foot) | ft²   25,000   25,000  
Operating Lease, Monthly Base Rent $ 39,000     $ 27,000  
Lessee, Operating Lease, Renewal Term (Year)   5 years   5 years  
Vehicle Lease [Member]          
Operating Lease, Monthly Base Rent       $ 300  
Office Equipment [Member]          
Operating Lease, Monthly Base Rent       $ 100