Note 13 - Revenues (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31, 2021
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	4,940,000	$	198,000	$	--	$	5,138,000
BioArchive		827,000		1,518,000		--		2,345,000
CAR-TXpress		875,000		123,000		286,000		1,284,000
Manual Disposables		421,000		--		--		421,000
Other		65,000		--		41,000		106,000
Total	$	7,128,000	$	1,839,000	$	327,000	$	9,294,000

	Year Ended December 31, 2020
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	4,774,000	$	160,000	$	--	$	4,934,000
BioArchive		855,000		1,177,000		--		2,032,000
CAR-TXpress		1,471,000		71,000		286,000		1,828,000
Manual Disposables		599,000		--		--		599,000
Other		289,000		--		62,000		351,000
Total	$	7,988,000	$	1,408,000	$	348,000	$	9,744,000

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

	2022		2023		2024		2025		2026 and beyond		Total
Service revenue	$	927,000	$	462,000	$	189,000	$	86,000	$	--	$	1,664,000
Device revenue (1)		732,000		732,000		41,000		--		--		1,505,000
Exclusivity fee		286,000		286,000		286,000		286,000		190,000		1,334,000
Clinical revenue		13,000		13,000		13,000		13,000		147,000		199,000
Total	$	1,958,000	$	1,493,000	$	529,000	$	385,000	$	337,000	$	4,702,000