Retirement benefits (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Pension Expense	$ 584,278	$ 576,096
Cayman Islands [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	5.00%
Maximum annual contribution amount	$ 104,400
FLORIDA
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	6.00%
California [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer Matching Contribution, Percent of Employees' Gross Pay	2.00%
California [Member] | Defined Contribution Plan, Employer Matching Contribution, 25 Percent of Match [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer Matching Contribution, Percent of Match	25.00%
California [Member] | Defined Contribution Plan, Employer Matching Contribution, 25 Percent of Match [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer Matching Contribution, Percent of Match	10.00%