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Investments	6 Months Ended
Investments	Jun. 30, 2013
Investments Debt And Equity Securities [Abstract]
Investments	(4) Investments Investments on June 30, 2013 and December 31, 2012 were comprised of certificates of deposit in the amount of $30,000, pledged as collateral for our rent and restricted as to withdrawal or usage.

The entire disclosure for investments in certain debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-Glossary Debt Security

-URI http://asc.fasb.org/extlink&oid=6509901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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

-Publisher FASB

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-Glossary Equity Security

-URI http://asc.fasb.org/extlink&oid=6511694

+ Details