Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Leases (Details Textual)

v3.20.2
Note 9 - Leases (Details Textual)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2020
USD ($)
ft²
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
ft²
Jun. 30, 2020
USD ($)
ft²
Jun. 30, 2019
USD ($)
Operating Lease, Expense   $ 50,000 $ 55,000   $ 102,000 $ 121,000
Operating Lease, Payments         $ 181,000 $ 185,000
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 560 Sylvan Avenue, Englewood Cliffs, New Jersey [Member]            
Area of Real Estate Property (Square Foot) | ft²       2,000    
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         $ 27,000  
Lessee, Operating Lease, Renewal Term (Year)   5 years     5 years  
Operating Lease, Sublease, Monthly Rent Revenue $ 39,000          
Vehicle Lease [Member]            
Operating Lease, Monthly Base Rent         $ 300  
Office Equipment [Member]            
Operating Lease, Monthly Base Rent         $ 100