Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Leases (Details Textual)

v3.20.4
Note 6 - Leases (Details Textual)
Apr. 01, 2017
USD ($)
Dec. 26, 2020
USD ($)
Mar. 01, 2020
USD ($)
Lessee, Operating Lease, Liability, Payments, Due, Total   $ 1,353,000  
Dublin, CA [Member]      
Lessee, Operating Lease, Term of Contract (Month) 6 years 150 days    
Lessee, Operating Lease, Liability, Payments, Due, Total $ 2,384,913    
Lessee, Operating Lease, Annual Increase Per Rentable Square Foot 0.05    
Lease Abatement Subject to Conditions $ 173,079    
Lease Abatement Subject To Conditions, Term (Month) 150 days    
Operating Lease, Tenant Improvements Provided by Landlord $ 358,095    
Nashua NH [Member]      
Lessee, Operating Lease, Term of Contract (Month)     3 years
Lessee, Operating Lease, Liability, Payments, Due, Total     $ 90,000