Note 5 - Property, Equipment, Assets Held for Sale, Operating Leases, and Sale-leaseback Transactions - Rental Income Under Noncancelable Sublease Agreements (Details) - Franchisees [Member]
$ in Thousands
Jun. 06, 2017
USD ($)
2018 $ 382
2019 285
2020 285
2021 291
2022 300
Subsequent years 1,019
Total minimum sub-lease payments $ 2,562