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13. REVENUES (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Deferred revenue $ 835,110   $ 835,110   $ 835,785
Cost of revenues 1,578,805 $ 825,761 2,821,502 $ 3,667,433  
Prior Contract Accrual [Member]          
Cost of revenues 30,611   658,593    
Product Deposits [Member]          
Deferred revenue 791,913   791,913    
Maintenance Fees [Member]          
Deferred revenue $ 43,197   $ 43,197