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8. Income Taxes (Details 1)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Taxes Details 1Abstract    
Statutory U.S. income tax rate (21.00%) (34.00%)
States taxes, net of federal benefit 1.75% (1.37%)
Non-deductible items 3.52% 0.52%
Change in valuation allowance (13.53%) (0.25%)
Change in net operating loss carryforwards and tax credits (33.48%) (3.27%)
Other 4.02% 0.25%
Effective income tax rate (58.72%) (38.12%)