Leases (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases (Details) [Line Items]
Operating lease, description	One of our primary operating leases includes options to extend the lease for one to three years and the other primary lease includes an option to annually prolong; those operating leases also include options to terminate the leases within one year.
Extended, description	Our Stockholm corporate office lease has a remaining lease term of two years and both of our leases are automatically renewed at a cost increase of 2% on an annual basis, unless we provide written notice nine months prior to the respective expiration dates.
Short term lease costs	$ 145,000	$ 122,000,000
Minimum [Member]
Leases (Details) [Line Items]
Lease term	6 years
Maximum [Member]
Leases (Details) [Line Items]
Lease term	2 years