Income Taxes - components of the Company's deferred tax (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
U.S. NOL	$ 17,470,708	$ 7,977,213
Foreign NOL	6,846,645	6,406,052
U.S. capital loss carryover	4,376,715
Accrued payroll and expense	171,580	131,867
Nonqualified options	772,365	780,800
Convertible notes	751,625
Impaired assets	1,436,065
Others	114,819	171,819
Total deferred tax assets	31,940,522	15,467,751
Less: valuation allowance	(30,274,655)	$ (15,467,751)
Property and equipment	(36,368)
Intangible assets	(1,629,499)
Deferred Tax liabilities	$ (1,665,867)