Income Taxes (Details 2) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Foreign
Potentially utilizable net operating loss carryforwards	$ 155,400,000	$ 139,538,000
State
Potentially utilizable net operating loss carryforwards	82,700,000	118,719,000
Federal
Potentially utilizable net operating loss carryforwards	$ 7,091,000	$ 6,250,000