Commitments and Contingencies (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 4,800,000		$ 5,081,000
Operating Lease, Liability	7,483,000		7,842,000
Operating lease costs	$ 408,000	$ 365,000
Weighted average discount rate	6.57%	6.50%
Weighted average remaining lease term	5 years 6 months 14 days	5 years 11 months 8 days
Operating Lease, Cash Paid	$ 359,000	$ (704,000)
Purchase obligation	17,370,000
Contingent liabilities requiring accrual	$ 0		$ 0
Headquarters [Member]
Lessee, Lease, Description [Line Items]
Renewal term	5 years
Additional Office, Laboratory And Manufacturing Space [Member]
Lessee, Lease, Description [Line Items]
Renewal term	5 years