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Property and Equipment (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Notes to Financial Statements      
Computers   $ 9,000 $ 7,000
Office furniture and equipment   94,000 94,000
Leasehold improvements   229,000 229,000
Total cost   332,000 330,000
Accumulated depreciation and amortization   (308,000) (245,000)
Property and equipment, net    $ 24,009 $ 85,374