7. Obligations under Finance Lease (Details - finance lease) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2017	Dec. 31, 2018
Leases [Abstract]
Finance lease, gross	$ 14,833		$ 31,522
Less: interest expense	(1,500)	$ (3,189)
Finance lease, net	13,333		28,333
Finance lease, current	13,333		20,000
Finance lease, non-current	0		8,333
Total finance lease	$ 13,333		$ 28,333