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10. Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Reconcilation of income taxes
   December 31, 
   2018   2017 
Computed tax provision (benefit) at federal statutory rate (21% and 34%, 2018 and 2017, respectively)  $(312,000)  $(546,000)
State income taxes, net of federal benefit (0% and 8.84% in 2017, respectively)       (142,000)
Valuation allowance   312,000    689,600 
Income tax provision  $   $1,600 
Schedule of deferred income taxes
   December 31, 
   2018   2017 
Net operating loss carry forwards  $15,226,000   $14,746,000 
Stock based compensation   (122,000)   (249,000)
Non-cash interest and financing expenses   (267,000)   (480,000)
Other temporary differences   (51,000)   (176,000)
Valuation allowance   (14,826,000)   (13,841,000)
Total deferred taxes net of valuation allowance  $   $