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CONDENSED INCOME STATEMENTS (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
CONDENSED INCOME STATEMENTS [Abstract]
Revenue	$ 16,607,638	$ 12,976,084	$ 50,043,470	$ 36,526,238
Cost of sales	12,440,033	9,593,671	37,780,959	27,043,414
Gross profit	4,167,605	3,382,413	12,262,511	9,482,824
Selling, general and administrative expenses	1,525,386	1,181,369	5,408,273	4,051,737
Income from operations	2,642,219	2,201,044	6,854,238	5,431,087
Interest expense	111,177	29,681	216,331	129,656
Income before provision for income taxes	2,531,042	2,171,363	6,637,907	5,301,431
Provision for income taxes	726,000	742,000	1,894,000	1,806,000
Net income	$ 1,805,042	$ 1,429,363	$ 4,743,907	$ 3,495,431
Income per common share - basic (in dollars per share)	$ 0.26	$ 0.21	$ 0.69	$ 0.54
Income per common share - diluted (in dollars per share)	$ 0.25	$ 0.21	$ 0.66	$ 0.53
Shares used in computing income per common share:
Basic (in share)	6,915,313	6,650,756	6,853,073	6,417,729
Diluted (in share)	7,158,715	6,972,156	7,138,801	6,641,159

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-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 07-4

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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