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8. Property and Equipment (Details) (USD $)	3 Months Ended		6 Months Ended
8. Property and Equipment (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Property, Plant and Equipment	June 30, 2012 December 31, 2011Property and equipment, gross$ 196,134 $ 227,645Accumulated depreciation and amortization157,679 201,476 Property and equipment, net$ 38,455 $ 26,169
Depreciation and amortization	$ 3,990	$ 5,336	$ 7,454	$ 13,490

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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