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Operation Segments (Tables) | 9 Months Ended
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Jun. 30, 2012
Operating Segments [Abstract] |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended June 30, 2012
|  |  |  |  |  |  |  |  | Commercial & |  |  |  |  |  |
|  |  | Communications |  | Residential |  | Industrial |  | Corporate |  | Total
Revenues |  | $ | 31,453 |  | $ | 35,232 |  | $ | 52,615 |  | $ | - |  | $ | 119,300
Cost of services |  |  | 27,271 |  |  | 29,655 |  |  | 49,395 |  |  | - |  |  | 106,321
Gross profit |  |  | 4,182 |  |  | 5,577 |  |  | 3,220 |  |  | - |  |  | 12,979
Selling, general and administrative |  |  | 3,766 |  |  | 4,691 |  |  | 2,912 |  |  | 4,156 |  |  | 15,525
Corporate allocations |  |  | 474 |  |  | 472 |  |  | 1,423 |  |  | (2,369) |  |  | -
Loss (gain) on sale of assets |  |  | (1) |  |  | 1 |  |  | (12) |  |  | - |  |  | (12)
Restructuring charge |  |  | - |  |  | - |  |  | 137 |  |  | 16 |  |  | 153
Income (loss) from operations |  | $ | (57) |  | $ | 413 |  | $ | (1,240) |  | $ | (1,803) |  | $ | (2,687)
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 70 |  | $ | 99 |  | $ | 62 |  | $ | 303 |  | $ | 534
| Total assets |  | $ | 34,240 |  | $ | 29,201 |  | $ | 63,465 |  | $ | 45,199 |  | $ | 172,105
|  | Three Months Ended June 30, 2011 (as Restated)
|  |  |  |  |  |  |  |  | Commercial & |  |  |  |  |  |
|  |  | Communications |  | Residential |  | Industrial |  | Corporate |  | Total
Revenues |  | $ | 23,498 |  | $ | 30,111 |  | $ | 69,105 |  | $ | - |  | $ | 122,714
Cost of services |  |  | 20,777 |  |  | 25,050 |  |  | 67,841 |  |  | - |  |  | 113,668
Gross profit |  |  | 2,721 |  |  | 5,061 |  |  | 1,264 |  |  | - |  |  | 9,046
Selling, general and administrative |  |  | 1,980 |  |  | 3,963 |  |  | 5,542 |  |  | 6,657 |  |  | 18,142
Corporate allocations |  |  | 586 |  |  | 539 |  |  | 2,287 |  |  | (3,412) |  |  | -
Loss (gain) on sale of assets |  |  | 1 |  |  | 128 |  |  | (25) |  |  | 33 |  |  | 137
Restructuring charge |  |  | - |  |  | - |  |  | 1,667 |  |  | - |  |  | 1,667
Income (loss) from operations |  | $ | 154 |  | $ | 431 |  | $ | (8,207) |  | $ | (3,278) |  | $ | (10,900)
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 20 |  | $ | 67 |  | $ | 160 |  | $ | 1,252 |  | $ | 1,499
| Total assets |  | $ | 23,730 |  | $ | 22,163 |  | $ | 80,017 |  | $ | 48,747 |  | $ | 174,657
|  | Nine Months Ended June 30, 2012
|  |  |  |  |  |  |  |  | Commercial & |  |  |  |  |  |
|  |  | Communications |  | Residential |  | Industrial |  | Corporate |  | Total
Revenues |  | $ | 86,579 |  | $ | 94,132 |  | $ | 166,690 |  | $ | - |  | $ | 347,401
Cost of services |  |  | 75,278 |  |  | 79,376 |  |  | 156,272 |  |  | - |  |  | 310,926
Gross profit |  |  | 11,301 |  |  | 14,756 |  |  | 10,418 |  |  | - |  |  | 36,475
Selling, general and administrative |  |  | 9,151 |  |  | 12,694 |  |  | 9,720 |  |  | 12,556 |  |  | 44,121
Corporate allocations |  |  | 1,423 |  |  | 1,415 |  |  | 4,270 |  |  | (7,108) |  |  | -
Loss (gain) on sale of assets |  |  | 10 |  |  | 8 |  |  | (100) |  |  | - |  |  | (82)
Restructuring charge |  |  | - |  |  | - |  |  | 955 |  |  | 62 |  |  | 1,017
Income (loss) from operations |  | $ | 717 |  | $ | 639 |  | $ | (4,427) |  | $ | (5,510) |  | $ | (8,581)
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 210 |  | $ | 271 |  | $ | 219 |  | $ | 892 |  | $ | 1,592
| Total assets |  | $ | 34,240 |  | $ | 29,201 |  | $ | 63,465 |  | $ | 45,199 |  | $ | 172,105
|  | Nine Months Ended June 30, 2011 (as Restated)
|  |  |  |  |  |  |  |  | Commercial & |  |  |  |  |  |
|  |  | Communications |  | Residential |  | Industrial |  | Corporate |  | Total
Revenues |  | $ | 66,788 |  | $ | 82,465 |  | $ | 201,598 |  | $ | - |  | $ | 350,851
Cost of services |  |  | 58,437 |  |  | 69,338 |  |  | 197,645 |  |  | - |  |  | 325,420
Gross profit |  |  | 8,351 |  |  | 13,127 |  |  | 3,953 |  |  | - |  |  | 25,431
Selling, general and administrative |  |  | 5,460 |  |  | 12,094 |  |  | 12,388 |  |  | 20,924 |  |  | 50,866
Corporate allocations |  |  | 1,722 |  |  | 1,699 |  |  | 6,719 |  |  | (10,140) |  |  | -
Loss (gain) on sale of assets |  |  | 1 |  |  | 58 |  |  | (74) |  |  | (6,665) |  |  | (6,680)
Asset Impairments |  |  | - |  |  | - |  |  | - |  |  | 3,551 |  |  | 3,551
Restructuring charge |  |  | - |  |  | - |  |  | 1,667 |  |  | - |  |  | 1,667
Income (loss) from operations |  | $ | 1,168 |  | $ | (724) |  | $ | (16,747) |  | $ | (7,670) |  | $ | (23,973)
Other data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Depreciation and amortization expense |  | $ | 68 |  | $ | 250 |  | $ | 553 |  | $ | 4,096 |  | $ | 4,967
| Total assets |  | $ | 23,730 |  | $ | 22,163 |  | $ | 80,017 |  | $ | 48,747 |  | $ | 174,657

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27, 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 + Details
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