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Note 8 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31,
|  | 2017 |  | 2016
Compensation |  | $ | 2,536 |  |  | $ | 2,144 |
Benefits / self-insurance reserve |  |  | 334 |  |  |  | 180 |
Paid time off |  |  | 990 |  |  |  | 990 |
Commissions payable |  |  | 309 |  |  |  | 260 |
Other |  |  | 1,594 |  |  |  | 1,124 |
|  | $ | 5,763 |  |  | $ | 4,698 |

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