CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Statement of Cash Flows [Abstract]
Revenues	$ 34,827,939	$ 20,290,925
Revenues - related parties		17,978
[Revenues]	34,827,939	20,308,903
Cost of revenues	31,942,875	18,038,007
Gross profit	2,885,064	2,270,896
Selling, general and administrative expenses	1,194,747	1,026,055
Income from operations	1,690,317	1,244,841
Other income (expense)
Interest expense	(44)	(29,041)
Total other income (expense)	(44)	(29,041)
Income before income tax	1,690,273	1,215,800
Income tax expense	(116,000)	(19,703)
Net income	$ 1,574,273	$ 1,196,097
Earnings per common share
Basic	$ 0.17	$ 0.14
Diluted	$ 0.1	$ 0.09
Shares used in computing earnings per share
Basic	9,434,094	8,440,064
Diluted	15,473,017	13,935,781