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9. Income Taxes (Details 1) - USD ($)
 6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Federal only, current year $ 1,959,030 $ 0
Amount subject to annual limitation, federal only 0 2,100
Total federal only 1,959,030 2,100
State only 1,504,514 1,305,365
Valuation allowance (1,434,132) (1,217,027)
State only, net of valuation allowance 70,382 88,338
Total deferred tax asset from net operating loss carryovers $ 2,029,412 $ 90,438
Federal only, current year expiration date None  
Amount subject to annual limitation, federal only expiration date December 31, 2019  
State only expiration date December 31, 2039