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9. Debt (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Total debt $ 122,190 $ 133,096
Less current portion (55,802) (56,334)
Noncurrent portion 66,388 76,762
Zeo    
Total debt 91,700 100,000
Cat Financial Services    
Total debt 24,294 26,250
De Lage Landen Financial Services    
Total debt 50 700
Phyllis Rice    
Total debt $ 6,146 $ 6,146