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Note 6 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  |  | 2016 |  |  | 2015 |
Accrued wages, bonuses and related expenses |  | $ | 5,596 |  |  | $ | 8,035 |
Sales tax payable |  |  | 5,075 |  |  |  | 6,374 |
Accrued rent and related expenses |  |  | 4,615 |  |  |  | 4,307 |
Current income taxes payable |  |  | 611 |  |  |  | 570 |
Total |  | $ | 15,897 |  |  | $ | 19,286 |

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