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Note 11 - Lease Commitments (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule Of Future Minimum Lease Payments [Table Text Block] |
|  | Capital |  |  | Operating |  |  | Total |
2018 |  | $ | 256 |  |  | $ | 524 |  |  | $ | 780 |
2019 |  |  | 260 |  |  |  | 515 |  |  |  | 775 |
2020 |  |  | 259 |  |  |  | 442 |  |  |  | 701 |
2021 |  |  | 215 |  |  |  | 339 |  |  |  | 554 |
2022 |  |  | 15 |  |  |  | 151 |  |  |  | 166 |
Thereafter |  |  | 450 |  |  |  | - |  |  |  | 450 |
Total minimum lease payments |  |  | 1,455 |  |  | $ | 1,971 |  |  | $ | 3,426 |
Less: amounts representing interest |  |  | 386 |  |  |  |  |  |  |  |  |
Present value of minimum lease payments |  |  | 1,069 |  |  |  |  |  |  |  |  |
Less: current portion of obligations under capital leases |  |  | 212 |  |  |  |  |  |  |  |  |
Long-term portion of obligations under capital leases |  | $ | 857 |  |  |  |  |  |  |  |  |

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