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Note 7 - Floor Plan Notes Payable and Lines of Credit (Tables) | 12 Months Ended
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Dec. 31, 2014
Debt Disclosure [Abstract] |
Assets Pledged As Collateral [Table Text Block] |
|  | December 31, |
|  | 2014 |  |  | 2013 |
Inventories, new and used vehicles at cost based on specific identification, net of allowance |  | $ | 823,944 |  |  | $ | 634,732 |
Vehicle sale related accounts receivable |  |  | 96,853 |  |  |  | 42,830 |
Total |  | $ | 920,797 |  |  | $ | 677,562 |
Floor plan notes payable related to vehicles |  | $ | 845,977 |  |  | $ | 593,649 |

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