Note 8 - Revenue (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
United States	$	1,717,000	$	1,573,000	$	3,089,000	$	3,439,000
China		28,000		1,117,000		48,000		1,206,000
Other		528,000		339,000		1,708,000		1,047,000
Total	$	2,273,000	$	3,029,000	$	4,845,000	$	5,692,000

	Three Months Ended June 30, 2023
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,275,000	$	41,000	$	-	$	1,316,000
BioArchive		450,000		339,000		-		789,000
CAR-TXpress		24,000		35,000		71,000		130,000
Manual Disposables		14,000		-		-		14,000
Other		18,000		-		6,000		24,000
Total	$	1,781,000	$	415,000	$	77,000	$	2,273,000

	Six Months Ended June 30, 2023
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	2,759,000	$	96,000	$	-	$	2,855,000
BioArchive		748,000		698,000		-		1,446,000
CAR-TXpress		59,000		75,000		142,000		276,000
Manual Disposables		221,000		-		-		221,000
Other		35,000		-		12,000		47,000
Total	$	3,822,000	$	869,000	$	154,000	$	4,845,000

	Three Months Ended June 30, 2022
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,923,000	$	40,000	$	-	$	1,963,000
BioArchive		338,000		305,000		-		643,000
CAR-TXpress		163,000		58,000		71,000		292,000
Manual Disposables		102,000		-		-		102,000
Other		23,000		-		6,000		29,000
Total	$	2,549,000	$	403,000	$	77,000	$	3,029,000

	Six Months Ended June 30, 2022
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	3,634,000	$	96,000	$	-	$	3,730,000
BioArchive		493,000		603,000		-		1,096,000
CAR-TXpress		361,000		101,000		142,000		604,000
Manual Disposables		207,000		-		-		207,000
Other		40,000		-		15,000		55,000
Total	$	4,735,000	$	800,000	$	157,000	$	5,692,000

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

	Remainder of 2023		2024		2025		2026		2027 and beyond		Total
Service revenue	$	749,000	$	796,000	$	252,000	$	-	$	-	$	1,797,000
Device revenue (1)		692,000		41,000		-		-		-		733,000
Exclusivity fee		143,000		286,000		286,000		190,000		-		905,000
Other		7,000		13,000		13,000		13,000		94,000		140,000
Total	$	1,591,000	$	1,136,000	$	551,000	$	203,000	$	94,000	$	3,575,000