Annual report pursuant to Section 13 and 15(d)

Note 11 - Leases (Details Textual)

v3.22.1
Note 11 - Leases (Details Textual)
1 Months Ended 12 Months Ended
Jun. 30, 2017
USD ($)
Dec. 31, 2021
USD ($)
ft²
Dec. 31, 2020
USD ($)
Operating Lease, Payments   $ 344,000 $ 339,000
Selling, General and Administrative Expenses [Member]      
Operating Lease, Expense   $ 172,000 $ 198,000
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 5600 Blazer Parkway, Dublin, Ohio [Member]      
Area of Real Estate Property (Square Foot) | ft²   25,000  
Operating Lease, Monthly Base Rent $ 39,000 $ 27,000  
Lessee, Operating Lease, Renewal Term (Year)   5 years  
Office Equipment [Member]      
Operating Lease, Monthly Base Rent   $ 100  
Vehicle Lease [Member]      
Operating Lease, Monthly Base Rent   $ 300