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Operating Segments (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 135,858 | $ 136,192 | $ 120,266 | $ 120,079 | $ 123,782 | $ 121,552 | $ 121,995 | $ 127,264 | $ 512,395 | $ 494,593 | $ 456,115
Cost of Services |  |  |  |  |  |  |  |  | 429,269 | 427,633 | 398,063
Gross Profit | 22,318 | 22,666 | 20,026 | 18,116 | 17,331 | 15,653 | 15,996 | 17,980 | 83,126 | 66,960 | 58,052
Selling, General and Administrative Expense |  |  |  |  |  |  |  |  | 75,571 | 66,598 | 58,609
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | (86) | (64) | (168)
Operating Income (Loss) |  |  |  |  |  |  |  |  | 7,641 | 426 | (389)
Depreciation and amortization |  |  |  |  |  |  |  |  | 2,526 | 2,552 | 2,075
Capital Expenditures |  |  |  |  |  |  |  |  | 1,982 | 753 | 1,877
Assets | 201,108 |  |  |  | 179,252 |  |  |  | 201,108 | 179,252 | 164,713
Communications [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 116,073 | 126,348 | 121,492
Cost of Services |  |  |  |  |  |  |  |  | 94,904 | 102,564 | 103,288
Gross Profit |  |  |  |  |  |  |  |  | 21,169 | 23,784 | 18,204
Selling, General and Administrative Expense |  |  |  |  |  |  |  |  | 13,481 | 13,610 | 13,431
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | 6 | 0 | (60)
Operating Income (Loss) |  |  |  |  |  |  |  |  | 7,682 | 10,174 | 4,833
Depreciation and amortization |  |  |  |  |  |  |  |  | 414 | 372 | 260
Capital Expenditures |  |  |  |  |  |  |  |  | 331 | 269 | 569
Assets | 30,415 |  |  |  | 24,858 |  |  |  | 30,415 | 24,858 | 29,603
Residential |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 182,514 | 162,611 | 129,974
Cost of Services |  |  |  |  |  |  |  |  | 148,685 | 135,384 | 109,274
Gross Profit |  |  |  |  |  |  |  |  | 33,829 | 27,227 | 20,700
Selling, General and Administrative Expense |  |  |  |  |  |  |  |  | 27,947 | 25,447 | 19,703
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | 4 | (17) | 24
Operating Income (Loss) |  |  |  |  |  |  |  |  | 5,878 | 1,797 | 973
Depreciation and amortization |  |  |  |  |  |  |  |  | 491 | 807 | 375
Capital Expenditures |  |  |  |  |  |  |  |  | 420 | 209 | 666
Assets | 40,555 |  |  |  | 36,838 |  |  |  | 40,555 | 36,838 | 33,927
Commercial & Industrial [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 166,249 | 203,481 | 204,649
Cost of Services |  |  |  |  |  |  |  |  | 148,081 | 187,957 | 185,501
Gross Profit |  |  |  |  |  |  |  |  | 18,168 | 15,524 | 19,148
Selling, General and Administrative Expense |  |  |  |  |  |  |  |  | 14,479 | 14,362 | 17,166
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | (46) | (46) | (132)
Operating Income (Loss) |  |  |  |  |  |  |  |  | 3,735 | 1,208 | 2,114
Depreciation and amortization |  |  |  |  |  |  |  |  | 270 | 247 | 244
Capital Expenditures |  |  |  |  |  |  |  |  | 266 | 270 | 341
Assets | 43,937 |  |  |  | 55,342 |  |  |  | 43,937 | 55,342 | 65,929
MISCOR [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 47,559 | 2,153 | 0
Cost of Services |  |  |  |  |  |  |  |  | 37,599 | 1,728 | 0
Gross Profit |  |  |  |  |  |  |  |  | 9,960 | 425 | 0
Selling, General and Administrative Expense |  |  |  |  |  |  |  |  | 9,346 | 337 | 0
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | (50) | 0 | 0
Operating Income (Loss) |  |  |  |  |  |  |  |  | 664 | 88 | 0
Depreciation and amortization |  |  |  |  |  |  |  |  | 980 | 38 | 0
Capital Expenditures |  |  |  |  |  |  |  |  | 828 | 5 | 0
Assets | 27,272 |  |  |  | 27,889 |  |  |  | 27,272 | 27,889 | 0
Corporate |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of Services |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gross Profit |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, General and Administrative Expense |  |  |  |  |  |  |  |  | 10,318 | 12,842 | 8,309
Loss (gain) on sale of assets |  |  |  |  |  |  |  |  | 0 | (1) | 0
Operating Income (Loss) |  |  |  |  |  |  |  |  | (10,318) | (12,841) | (8,309)
Depreciation and amortization |  |  |  |  |  |  |  |  | 371 | 1,088 | 1,196
Capital Expenditures |  |  |  |  |  |  |  |  | 137 | 0 | 301
Assets | $ 58,929 |  |  |  | $ 34,325 |  |  |  | $ 58,929 | $ 34,325 | $ 35,254

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6386349&loc=d3e3636-108311 + Details
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