Leases (Narrative) (Details) $ in Thousands		9 Months Ended
	Jul. 13, 2020 Lease	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right of use assets (Note 10)		$ 2,270		$ 1,977
Operating lease, liability		3,919		$ 6,100
Number of leases abandoned | Lease	14
Gain on settlement of leases		0	$ 3,483
Restricted cash in prepaid expenses and other current assets		414	$ 1,480
Israel
Lessee, Lease, Description [Line Items]
Restricted cash in prepaid expenses and other current assets		200
Australia
Lessee, Lease, Description [Line Items]
Restricted cash in prepaid expenses and other current assets		$ 200
Minimum
Leases [Abstract]
Operating leases remaining lease term		1 year
Lessee, Lease, Description [Line Items]
Operating leases remaining lease term		1 year
Maximum
Leases [Abstract]
Operating leases remaining lease term		4 years
Lessee, Lease, Description [Line Items]
Operating leases remaining lease term		4 years