Note 8 - Revenue (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Disaggregation of Revenue [Table Text Block]

	2024		2023
United States	$	2,064,000	$	1,372,000
Singapore		56,000		404,000
Other		617,000		796,000
Total	$	2,737,000	$	2,572,000

	Three Months Ended March 31, 2024
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,900,000	$	64,000	$	-	$	1,964,000
BioArchive		188,000		334,000		-		522,000
CAR-TXpress		20,000		26,000		100,000		146,000
Other		20,000		-		85,000		105,000
Total	$	2,128,000	$	424,000	$	185,000	$	2,737,000

	Three Months Ended March 31, 2023
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,484,000	$	55,000	$	-	$	1,539,000
BioArchive		298,000		359,000		-		657,000
CAR-TXpress		35,000		40,000		71,000		146,000
Other		224,000		-		6,000		230,000
Total	$	2,041,000	$	454,000	$	77,000	$	2,572,000

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

	Remainder of 2024		2025		2026		2027		2028 and beyond		Total
Service revenue	$	1,060,000	$	544,000	$	125,000	$	-	$	-	$	1,729,000
Exclusivity fee		167,000		-		-		-		-		167,000
Other		10,000		13,000		13,000		13,000		80,000		129,000
Total	$	1,237,000	$	557,000	$	138,000	$	13,000	$	80,000	$	2,025,000