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Note 7 - Components of Working Capital Accounts (Tables) | 12 Months Ended
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Dec. 31, 2013
Disclosure Text Block Supplement [Abstract] |
Schedule of Inventory, Current [Table Text Block] |
|  | 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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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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