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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Bad debt expense $ 96,929 $ 263,882
Allowance for doubtful accounts $ 300,000 $ 500,000
Potentially dilutive securities, outstanding warrants 26,550,611 35,501,411
Potentially dilutive securities, outstanding options 320,000 200,000
Potentially dilutive securities, convertible Series A preferred stock 510,000 510,000
FDIC insured amount $ 250,000  
Advertising and promotional expenses 204,000 $ 66,000
Research and development expenses 916,003 454,089
Shipping and handling costs $ 206,000 $ 119,000