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v3.19.1

Operation Segments (Tables) | 6 Months Ended
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Mar. 31, 2019
Operating Segments [Abstract] |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended March 31, 2019
|  |  | Commercial & |  |  |  |  | Infrastructure |  |  |  |  |  |  |  |
|  |  | Industrial |  | Communications |  | Solutions |  | Residential |  | Corporate |  | Total
Revenues |  | $ | 79,975 |  | $ | 70,437 |  | $ | 34,450 |  | $ | 72,052 |  | $ | - |  | $ | 256,914
Cost of services |  |  | 71,184 |  |  | 58,492 |  |  | 27,004 |  |  | 56,999 |  |  | - |  |  | 213,679
Gross profit |  |  | 8,791 |  |  | 11,945 |  |  | 7,446 |  |  | 15,053 |  |  | - |  |  | 43,235
Selling, general and administrative |  |  | 7,363 |  |  | 7,666 |  |  | 4,685 |  |  | 11,187 |  |  | 4,169 |  |  | 35,070
Contingent consideration |  |  | - |  |  | - |  |  | (149) |  |  | - |  |  | - |  |  | (149)
Loss (gain) on sale of assets |  |  | (1) |  |  | - |  |  | 101 |  |  | (2) |  |  | - |  |  | 98
Operating income (loss) |  | $ | 1,429 |  | $ | 4,279 |  | $ | 2,809 |  | $ | 3,868 |  | $ | (4,169) |  | $ | 8,216
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 629 |  | $ | 426 |  | $ | 1,175 |  | $ | 217 |  | $ | 27 |  | $ | 2,474
| Capital expenditures |  | $ | 615 |  | $ | 193 |  | $ | 635 |  | $ | 398 |  | $ | - |  | $ | 1,841
| Total assets |  | $ | 77,898 |  | $ | 91,960 |  | $ | 114,739 |  | $ | 55,417 |  | $ | 77,257 |  | $ | 417,271
|  | Three Months Ended March 31, 2018
|  |  | Commercial & |  |  |  |  | Infrastructure |  |  |  |  |  |  |  |
|  |  | Industrial |  | Communications |  | Solutions |  | Residential |  | Corporate |  | Total
Revenues |  | $ | 65,589 |  | $ | 50,244 |  | $ | 23,866 |  | $ | 65,978 |  | $ | - |  | $ | 205,677
Cost of services |  |  | 59,068 |  |  | 40,892 |  |  | 18,842 |  |  | 53,035 |  |  | - |  |  | 171,837
Gross profit |  |  | 6,521 |  |  | 9,352 |  |  | 5,024 |  |  | 12,943 |  |  | - |  |  | 33,840
Selling, general and administrative |  |  | 6,849 |  |  | 6,201 |  |  | 4,637 |  |  | 9,688 |  |  | 2,272 |  |  | 29,647
Contingent consideration |  |  | - |  |  | - |  |  | 71 |  |  | - |  |  | - |  |  | 71
Loss (gain) on sale of assets |  |  | (17) |  |  | (8) |  |  | 6 |  |  | (1) |  |  | - |  |  | (20)
Operating income (loss) |  | $ | (311) |  | $ | 3,159 |  | $ | 310 |  | $ | 3,256 |  | $ | (2,272) |  | $ | 4,142
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 527 |  | $ | 219 |  | $ | 1,140 |  | $ | 155 |  | $ | 20 |  | $ | 2,061
| Capital expenditures |  | $ | 413 |  | $ | 398 |  | $ | 205 |  | $ | 108 |  | $ | - |  | $ | 1,124
| Total assets |  | $ | 72,559 |  | $ | 60,102 |  | $ | 100,884 |  | $ | 47,695 |  | $ | 103,747 |  | $ | 384,987
|  | Six Months Ended March 31, 2019
|  |  | Commercial & |  |  |  |  | Infrastructure |  |  |  |  |  |  |  |
|  |  | Industrial |  | Communications |  | Solutions |  | Residential |  | Corporate |  | Total
Revenues |  | $ | 152,558 |  | $ | 139,762 |  | $ | 63,929 |  | $ | 144,507 |  | $ | - |  | $ | 500,756
Cost of services |  |  | 135,092 |  |  | 115,851 |  |  | 50,556 |  |  | 114,421 |  |  | - |  |  | 415,920
Gross profit |  |  | 17,466 |  |  | 23,911 |  |  | 13,373 |  |  | 30,086 |  |  | - |  |  | 84,836
Selling, general and administrative |  |  | 14,079 |  |  | 14,600 |  |  | 9,166 |  |  | 22,324 |  |  | 6,987 |  |  | 67,156
Contingent consideration |  |  | - |  |  | - |  |  | (115) |  |  | - |  |  | - |  |  | (115)
Loss (gain) on sale of assets |  |  | (4) |  |  | - |  |  | 101 |  |  | (2) |  |  | - |  |  | 95
Operating income (loss) |  | $ | 3,391 |  | $ | 9,311 |  | $ | 4,221 |  | $ | 7,764 |  | $ | (6,987) |  | $ | 17,700
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 1,255 |  | $ | 841 |  | $ | 2,269 |  | $ | 426 |  | $ | 55 |  | $ | 4,846
| Capital expenditures |  | $ | 1,467 |  | $ | 693 |  | $ | 822 |  | $ | 845 |  | $ | 102 |  | $ | 3,929
| Total assets |  | $ | 77,898 |  | $ | 91,960 |  | $ | 114,739 |  | $ | 55,417 |  | $ | 77,257 |  | $ | 417,271
|  | Six Months Ended March 31, 2018
|  |  | Commercial & |  |  |  |  | Infrastructure |  |  |  |  |  |  |  |
|  |  | Industrial |  | Communications |  | Solutions |  | Residential |  | Corporate |  | Total
Revenues |  | $ | 118,591 |  | $ | 104,703 |  | $ | 45,551 |  | $ | 135,132 |  | $ | - |  | $ | 403,977
Cost of services |  |  | 107,227 |  |  | 86,231 |  |  | 35,842 |  |  | 107,773 |  |  | - |  |  | 337,073
Gross profit |  |  | 11,364 |  |  | 18,472 |  |  | 9,709 |  |  | 27,359 |  |  | - |  |  | 66,904
Selling, general and administrative |  |  | 12,644 |  |  | 12,285 |  |  | 9,194 |  |  | 20,054 |  |  | 5,559 |  |  | 59,736
Contingent consideration |  |  | - |  |  | - |  |  | 71 |  |  | - |  |  | - |  |  | 71
Loss (gain) on sale of assets |  |  | (29) |  |  | (9) |  |  | 5 |  |  | (1) |  |  | - |  |  | (34)
Operating income (loss) |  | $ | (1,251) |  | $ | 6,196 |  | $ | 439 |  | $ | 7,306 |  | $ | (5,559) |  | $ | 7,131
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 1,084 |  | $ | 435 |  | $ | 2,383 |  | $ | 296 |  | $ | 71 |  | $ | 4,269
| Capital expenditures |  | $ | 923 |  | $ | 473 |  | $ | 345 |  | $ | 586 |  | $ | - |  | $ | 2,327
| Total assets |  | $ | 72,559 |  | $ | 60,102 |  | $ | 100,884 |  | $ | 47,695 |  | $ | 103,747 |  | $ | 384,987

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