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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Bad debt expense $ 263,882 $ 285,030
Allowance for doubtful accounts $ 500,000 $ 300,000
Potentially dilutive securities, outstanding warrants 35,501,411 37,076,413
Potentially dilutive securities, outstanding options 200,000 200,000
Potentially dilutive securities, convertible Series A preferred stock 510,000 510,000
FDIC insured amount $ 250,000  
Advertising and promotional expenses 66,000 $ 130,000
Research and development expenses 454,089 184,259
Shipping and handling costs $ 119,000 $ 143,000
2016 Equity Compensation Plan [Member]    
Shares issued under plan 200,000