10. Income Taxes (Details Narrative) - USD ($)	12 Months Ended
10. Income Taxes (Details Narrative) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
UNITED KINGDOM [Member]
Net operating loss carryforwards	$ 45,000,000	$ 41,100,000
UNITED STATES [Member]
Net operating loss carryforwards	$ 13,500,000	9,800,000
Operating loss expiration dates	Dec. 31, 2032
State [Member]
Net operating loss carryforwards	$ 13,300,000	9,400,000
Operating loss expiration dates	Dec. 31, 2032
GERMANY [Member]
Net operating loss carryforwards	$ 1,600,000	$ 1,300,000