Grants and Awards (Narrative) (Details) - USD ($)				3 Months Ended		9 Months Ended
	Sep. 29, 2022	Jun. 15, 2020	Mar. 13, 2020	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Award [Line Items]
Revenue from grants				$ 1,338,000	$ 1,251,000	$ 4,457,000	$ 3,485,000
Award receivable				1,867,000		1,867,000		$ 2,989,000
Research and development credits recognized				$ 500,000	$ 800,000	$ 500,000	$ 800,000
Medical Technology Enterprise Consortium [Member]
Award [Line Items]
Revenue from grants	$ 16,300,000	$ 15,000,000.0
Increase in expected revenue from grants	$ 1,300,000
Cystic Fibrosis Foundation [Member]
Award [Line Items]
Award receivable			$ 1,000,000.0
Award agreement interruption period			360 days
Maximum [Member] | Cystic Fibrosis Foundation [Member]
Award [Line Items]
Amount of threshold development award			$ 5,000,000.0