9. Income Taxes (Details Narrative) - USD ($)	12 Months Ended
9. Income Taxes (Details Narrative) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
UNITED KINGDOM [Member]
Net operating loss carryforwards	$ 52,900,000	$ 47,300,000
UNITED STATES [Member]
Net operating loss carryforwards	$ 18,400,000	16,500,000
Operating loss expiration dates	Dec. 31, 2032
State [Member]
Net operating loss carryforwards	$ 18,400,000	16,200,000
Operating loss expiration dates	Dec. 31, 2032
GERMANY [Member]
Net operating loss carryforwards	$ 1,700,000	1,700,000
SWITZERLAND [Member]
Net operating loss carryforwards	$ 300,000	$ 0