Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Leases (Details Textual)

v3.20.1
Note 9 - Leases (Details Textual)
1 Months Ended 3 Months Ended
Jun. 30, 2017
USD ($)
Mar. 31, 2020
USD ($)
ft²
Mar. 31, 2019
USD ($)
ft²
Operating Lease, Expense   $ 51,000 $ 66,000
Operating Lease, Payments   $ 91,000 $ 97,000
Office Space at 4995 Bradenton Avenue, Dublin Ohio [Member]      
Area of Real Estate Property (Square Foot) | ft²   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  
Operating Lease, Monthly Base Rent   $ 27,000  
Lessee, Operating Lease, Renewal Term (Year)   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