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Note 4 - Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Property, Plant and Equipment [Table Text Block] |
|  | December 31, 201 7 |  |  | December 31, 201 6 |
Computer equipment |  | $ | 12,312,120 |  |  | $ | 8,122,420 |
Computer software |  |  | 1,449,480 |  |  |  | 1,277,972 |
Furniture and equipment |  |  | 1,308,171 |  |  |  | 1,168,691 |
Vehicles and tools |  |  | 1,305,900 |  |  |  | 830,543 |
Fiber network |  |  | 14,052,618 |  |  |  | 7,095,971 |
Customer equipment and installations |  |  | 6,774,031 |  |  |  | 3,889,581 |
Leasehold improvements |  |  | 170,619 |  |  |  | 110,453 |
|  |  | 37,372,939 |  |  |  | 22,495,631 |
Less: |  |  |  |  |  |  |  |
Accumulated depreciation |  |  | 12,752,641 |  |  |  | 9,045,193 |
|  | $ | 24,620,298 |  |  | $ | 13,450,438 |
Schedule of Depreciation [Table Text Block] |
|  | Year ended December 31, 201 7 |  |  | Year ended December 31, 201 6 |  |  | Year ended December 31, 201 5 |
Depreciation of property and equipment |  | $ | 3,727,822 |  |  | $ | 1,823,683 |  |  | $ | 1,404,296 |

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