Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Statement of Cash Flows [Abstract]
Revenues	$ 30,301,326	$ 13,288,600	$ 78,383,111	$ 42,428,741
Revenues - related parties		1,828	17,978	5,578
[Revenues]	30,301,326	13,290,428	78,401,089	42,434,319
Cost of revenues	28,268,785	12,471,821	71,632,067	39,679,178
Gross profit	2,032,541	818,607	6,769,022	2,755,141
Selling, general and administrative expenses	997,723	667,339	3,030,461	2,118,708
Income from operations	1,034,818	151,268	3,738,561	636,433
Other income (expense)
Other income		89,333		219,333
Interest expense	(3,593)	(26,521)	(57,811)	(89,119)
Total other income (expense)	(3,593)	62,812	(57,811)	130,214
Income before income tax	1,031,225	214,080	3,680,750	766,647
Income tax expense	(3,000)	(5,500)	(45,689)	(5,500)
Net income	$ 1,028,225	$ 208,580	$ 3,635,061	$ 761,147
Earnings per common share
Basic	$ 0.11	$ 0.03	$ 0.42	$ 0.09
Diluted	$ 0.06	$ 0.02	$ 0.25	$ 0.06
Shares used in computing earnings per share
Basic	9,187,227	8,315,309	8,722,642	8,276,184
Diluted	15,851,393	13,581,067	14,503,882	13,540,455