Grants and Awards (Narrative) (Details) - USD ($)				3 Months Ended		6 Months Ended
	Sep. 29, 2022	Jun. 15, 2020	Mar. 13, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Award [Line Items]
Revenue from grants				$ 980,000	$ 1,883,000	$ 1,776,000	$ 3,119,000
Medical Technology Enterprise Consortium [Member]
Award [Line Items]
Revenue from grants	$ 16,300,000	$ 15,000,000.0		1,000,000.0	1,900,000	1,800,000	3,100,000
Increase in expected revenue from grants	$ 1,300,000
Unbilled award receivable				$ 200,000	$ 1,600,000	$ 200,000	$ 1,600,000
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