Consolidated Statements of Income (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue
Electrical construction	$ 22,524,301	$ 17,109,940
Other	1,762	633,600
Total revenue	22,526,063	17,743,540
Costs and expenses
Electrical construction	17,551,892	12,924,484
Other	1,762	393,108
Selling, general and administrative	877,765	915,525
Depreciation	1,144,569	786,257
Gain on sale of property and equipment	(2,500)	(10,565)
Total costs and expenses	19,573,488	15,008,809
Total operating income	2,952,575	2,734,731
Other income (expenses), net
Interest income	5,788	6,004
Interest expense	(130,862)	(48,253)
Other income, net	13,118	9,067
Total other expenses, net	(111,956)	(33,182)
Income from continuing operations before income taxes	2,840,619	2,701,549
Income tax provision	1,045,111	51,232
Net income	$ 1,795,508	$ 2,650,317
Income per share of common stock — basic and diluted
Continuing Operations (usd per share)	$ 0.07	$ 0.10
Weighted average shares outstanding - basic and diluted (shares)	25,451,354	25,451,354