Operating Segments (Details) (USD $)	3 Months Ended								12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Revenues	$ 123,782	$ 121,552	$ 121,995	$ 127,264	$ 123,381	$ 116,128	$ 107,608	$ 108,998	$ 494,593	$ 456,115	$ 406,141
Cost of Services									427,633	398,063	361,757
Gross Profit	17,331	15,653	15,996	17,980	16,814	14,256	13,789	13,193	66,960	58,052	44,384
Selling, General and Administrative Expense									66,598	58,609	63,321
Loss (gain) on sale of assets									(64)	(168)	(6,555)
Asset Impairment									0	0	4,804
Operating Income (Loss)									426	(389)	(17,186)
Depreciation and amortization									2,552	2,075	6,216
Capital Expenditures									753	1,877	2,688
Assets	179,252				164,713				179,252	164,713	180,244
Communications [Member]
Segment Reporting Information [Line Items]
Revenues									126,348	121,492	83,615
Cost of Services									102,564	103,288	71,142
Gross Profit									23,784	18,204	12,473
Selling, General and Administrative Expense									13,610	13,431	9,578
Loss (gain) on sale of assets									0	(60)	0
Asset Impairment									0	0	72
Operating Income (Loss)									10,174	4,833	2,823
Depreciation and amortization									372	260	278
Capital Expenditures									269	569	928
Assets	24,858				29,603				24,858	29,603	23,073
Residential
Segment Reporting Information [Line Items]
Revenues									162,611	129,974	114,732
Cost of Services									135,384	109,274	96,042
Gross Profit									27,227	20,700	18,690
Selling, General and Administrative Expense									25,447	19,703	18,441
Loss (gain) on sale of assets									(17)	24	116
Asset Impairment									0	0	0
Operating Income (Loss)									1,797	973	133
Depreciation and amortization									807	375	514
Capital Expenditures									209	666	181
Assets	36,838				33,927				36,838	33,927	23,584
Commercial & Industrial [Member]
Segment Reporting Information [Line Items]
Revenues									203,481	204,649	207,794
Cost of Services									187,957	185,501	194,573
Gross Profit									15,524	19,148	13,221
Selling, General and Administrative Expense									14,362	17,166	21,788
Loss (gain) on sale of assets									(46)	(132)	(33)
Asset Impairment									0	0	71
Operating Income (Loss)									1,208	2,114	(8,605)
Depreciation and amortization									247	244	1,575
Capital Expenditures									270	341	431
Assets	55,342				65,929				55,342	65,929	79,506
MISCOR [Member]
Segment Reporting Information [Line Items]
Revenues									2,153	0	0
Cost of Services									1,728	0	0
Gross Profit									425	0	0
Selling, General and Administrative Expense									337	0	0
Loss (gain) on sale of assets									0	0	0
Asset Impairment									0	0	0
Operating Income (Loss)									88	0	0
Depreciation and amortization									38	0	0
Capital Expenditures									5	0	0
Assets	27,889				0				27,889	0	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									12,842	8,309	13,514
Loss (gain) on sale of assets									(1)	0	(6,638)
Asset Impairment									0	0	4,661
Operating Income (Loss)									(12,841)	(8,309)	(11,537)
Depreciation and amortization									1,088	1,196	3,849
Capital Expenditures									0	301	1,148
Assets	$ 34,325				$ 35,254				$ 34,325	$ 35,254	$ 54,081