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4. Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2017
Property And Equipment Tables  
Summary of fixed assets and equipment
    2017     2016  
Furniture and equipment   $ 75,747     $ 110,042  
Computer equipment and software     213,239       317,644  
Leasehold improvements     6,814       6,814  
Subtotal     295,800       434,500  
Less: accumulated depreciation and amortization     (284,667 )     (407,302 )
Total   $ 11,133     $ 27,198