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Note 3 - Supplier Concentration (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Major Suppliers and Dealership Agreements [Table Text Block] |
Manufacturer |  | Expiration Dates
Peterbilt |  | June 2018 through March 2019
International |  | July 2018 through May 2023
Isuzu |  | Indefinite
Hino |  | Indefinite
Ford |  | Indefinite
Blue Bird |  | August 2018
IC Bus |  | May 2020 through December 2022

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