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5. EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Equipment
    2019     2018    

Estimated

Useful lives

in years

 
Computer hardware and software   $ 308,767     $ 261,863       3  
Machinery and equipment     316,945       300,441       5  
Molds, tools and dies     651,063       551,162       5  
Office furniture and fixtures     50,948       40,001       5  
      1,327,722       1,153,467          
Accumulated depreciation     (1,024,623 )     (891,991 )        
Equipment, net   $ 303,099     $ 261,476          
                         
Depreciation expense for the year ended   $ 132,632     $ 137,008