Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Taxes

Schedule of components of loss before tax and provision for income tax benefit

	2018		2017
Loss before tax
United States	$	(13,139,622)	$	(841,323)
PRC/Hong Kong/Singapore		(15,323,706)		(10,018,994)
	$	(28,463,328)	$	(10,860,317)
Deferred tax benefit of net operating loss
United States	$	—	$	—
PRC/Hong Kong/Singapore		—		—
	$	—	$	—
Deferred tax benefit other than benefit of net operating loss
United States	$	40,244	$	—
PRC/Hong Kong		—		—
Total income tax benefit	$	40,244	$	—

Schedule of reconciliation of expected income tax

	2018		2017
U. S. statutory income tax rate	21	%	34	%
Non-deductible expenses:
Non-deductible stock awards	(1.2)	%	—	%
Waiver of intercompany loan related to ZHV disposal	—	%	14.7	%
Others	(0.9)	%	(2.9)	%
Non-deductible interest expenses	(0.6)	%	(0.4)	%
Non-taxable change in fair value warrant liabilities	—	%	(0.4)	%
Increase in valuation allowance	(18.4)	%	(21.6)	%
Tax rate differential	0.1	%	(23.4)	%
Effective income tax rate	—	%	—	%

Schedule of components of deferred tax assets and liabilities

	2018		2017
U.S. NOL	$	7,977,213	$	6,152,242
Foreign NOL		6,406,052		5,365,437
Accrued payroll and expense		131,867		132,812
Nonqualified options		780,800		760,213
Others		171,819		30,040
Total deferred tax assets	$	15,467,751	$	12,440,744
Less: valuation allowance	$	(15,467,751)	$	(12,440,744)