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Note 10 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2015
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | 2015 |  |  | 2014 |
Salaries and employee benefits |  | $ | 2,822 |  |  | $ | 2,935 |
Accrued sales, property and other tax |  |  | 202 |  |  |  | 410 |
Interest payable |  |  | 9 |  |  |  | 22 |
Insurance payable |  |  | 833 |  |  |  | 546 |
Other |  |  | 475 |  |  |  | 627 |
Total accrued expenses |  | $ | 4,341 |  |  | $ | 4,540 |

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