11. Net Income Per Share (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net Income Per Share Details
Net income used in the calculation of basic earnings per share	$ 560,316	$ 773,931	$ 1,325,734	$ 900,555
Effect of dilutive securities, common share equivalents	12,168	0	0	16,839
Net income used for computing diluted earnings per share	572,484	773,931	1,325,734	917,394
Weighted average number of shares outstanding	3,789,592	3,838,386	3,780,351	3,838,386
Effect of dilutive securities, common share equivalents	$ 94,187	$ 80,377	$ 0	$ 82,903
Weighted average number of shares outstanding, used for computing diluted earnings per share	3,883,779	3,918,763	3,780,351	3,921,289

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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+ Details