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8. Income Taxes (Tables)
3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]  
Reconciliation of the statutory federal income tax rate
   Three Months Ended March 31, 
   2016   2015 
Expected federal income tax at statutory rate   35.0%    34.0% 
State income taxes, net of federal deduction   2.1%    4.7% 
Permanent differences   -0.1%    10.6% 
Change in valuation allowance   -37.0%    0.0% 
           
    0.0%    49.3%