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Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Schedule of anti-dilutive securities excluded from computation of earnings per share
Average market price during the period	$ 3.05	$ 3.51	$ 3.11	$ 3.29
Excluded from options [Member]
Schedule of anti-dilutive securities excluded from computation of earnings per share
Potential common shares excluded from EPS	213,311	249,392	239,119	202,867
Excluded from warrants [Member]
Schedule of anti-dilutive securities excluded from computation of earnings per share
Potential common shares excluded from EPS	1,045,869	1,553,474	1,119,803	1,330,160

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Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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-Name Emerging Issues Task Force (EITF)

-Number 99-7

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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-Name Accounting Standards Codification

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-Name Accounting Standards Codification

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-Name Accounting Standards Codification

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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



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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.



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