6. CUSTOMER CARD FUNDING LIABILITY (Details - Contract liabilities) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Contract with Customer, Liability [Abstract]
Contract liabilities, beginning balance	$ 32,723,227	$ 25,960,974
Increase (decrease) in contract liabilities	15,377,724	6,762,253
Contract liabilities, ending balance	$ 48,100,951	$ 32,723,227