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Note 7 - Components of Working Capital Accounts | 12 Months Ended
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Dec. 31, 2013
Disclosure Text Block Supplement [Abstract] |
Supplemental Balance Sheet Disclosures [Text Block] |
7. | Components of working capital accounts
|  | December 31, 2013 |  |  | December 31, 2012 |
Inventories |  |  |  |  |  |
Work-in-progress |  | $ | 8,748 |  |  | $ | 8,223 |
Finished goods |  |  | 2,973 |  |  |  | 2,358 |
Supplies and other |  |  | 4,083 |  |  |  | 4,337 |
|  | $ | 15,804 |  |  | $ | 14,918 |
Accrued liabilities |  |  |  |  |  |  |  |
Accrued payroll, commission and benefits |  | $ | 278,641 |  |  | $ | 222,671 |
Accrued interest |  |  | 3,584 |  |  |  | 1,540 |
Customer advances |  |  | 5,505 |  |  |  | 4,769 |
Acquisition consideration payable |  |  | 25,736 |  |  |  | 658 |
Contingent acquisition consideration payable |  |  | 122 |  |  |  | 351 |
Other |  |  | 78,911 |  |  |  | 83,223 |
|  | $ | 392,499 |  |  | $ | 313,212 |

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