Note 8 - Revenue (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
United States	$	1,535,000	$	1,517,000	$	4,973,000	$	3,558,000
China		364,000		1,357,000		1,570,000		1,445,000
Thailand		2,000		--		10,000		400,000
Other		214,000		284,000		1,254,000		1,473,000
Total	$	2,115,000	$	3,158,000	$	7,807,000	$	6,876,000

	Three Months Ended September 30, 2022
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,034,000	$	75,000	$	--	$	1,109,000
BioArchive		201,000		321,000		--		522,000
CAR-TXpress		190,000		44,000		72,000		306,000
Manual Disposables		150,000		--		--		150,000
Other		20,000		--		8,000		28,000
Total	$	1,595,000	$	440,000	$	80,000	$	2,115,000

	Nine Months Ended September 30, 2022
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	4,668,000	$	171,000	$	--	$	4,839,000
BioArchive		694,000		924,000		--		1,618,000
CAR-TXpress		551,000		146,000		214,000		911,000
Manual Disposables		357,000		--		--		357,000
Other		59,000		--		23,000		82,000
Total	$	6,329,000	$	1,241,000	$	237,000	$	7,807,000

	Three Months Ended September 30, 2021
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	2,217,000	$	72,000	$	21,000	$	2,310,000
BioArchive		221,000		297,000		--		518,000
CAR-TXpress		160,000		31,000		71,000		262,000
Manual Disposables		55,000		--		--		55,000
Other		9,000		--		4,000		13,000
Total	$	2,662,000	$	400,000	$	96,000	$	3,158,000

	Nine Months Ended September 30, 2021
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	3,490,000	$	159,000	$	21,000	$	3,670,000
BioArchive		652,000		1,165,000		--		1,817,000
CAR-TXpress		702,000		89,000		214,000		1,005,000
Manual Disposables		300,000		--		--		300,000
Other		46,000		--		38,000		84,000
Total	$	5,190,000	$	1,413,000	$	273,000	$	6,876,000

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

	Remainder of 2022		2023		2024		2025		2026 and beyond		Total
Service revenue	$	407,000	$	1,089,000	$	664,000	$	176,000	$	--	$	2,336,000
Device revenue (1)		21,000		733,000		41,000		--		--		795,000
Exclusivity fee		71,000		286,000		286,000		286,000		190,000		1,119,000
Other		3,000		13,000		13,000		13,000		122,000		164,000
Total	$	502,000	$	2,121,000	$	1,004,000	$	475,000	$	312,000	$	4,414,000