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Note 11 - Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31, 2016 |  | December 31, 2015
Accrued payroll, commission and benefits |  | $ | 267,715 |  |  | $ | 247,476 |
Accrued project management costs |  |  | 41,499 |  |  |  | 41,155 |
Value added tax payable |  |  | 24,605 |  |  |  | 29,956 |
Customer advances |  |  | 10,432 |  |  |  | 6,930 |
Accrued contract costs (overbillings) |  |  | 16,713 |  |  |  | 8,875 |
Other |  |  | 38,795 |  |  |  | 43,387 |
|  | $ | 399,759 |  |  | $ | 377,779 |

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