Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Leases (Details Textual)

v3.22.0.1
Note 6 - Leases (Details Textual)
9 Months Ended
Apr. 01, 2017
USD ($)
Dec. 25, 2021
USD ($)
Mar. 01, 2020
ft²
Feb. 01, 2019
ft²
Lessee, Operating Lease, Liability, Payments, Due, Total   $ 850,000    
Dublin, CA [Member]        
Lessee, Operating Lease, Term of Contract (Month) 77 months      
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) 5 months      
Operating Lease, Tenant Improvements Provided by Landlord $ 358,095      
Nashua NH [Member]        
Area of Real Estate Property (Square Foot) | ft²     2,400 1,200
Operating Lease, Monthly Payment   $ 2,500