Note 8 - Revenue (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
United States	$	1,573,000	$	1,016,000	$	3,439,000	$	2,041,000
China		1,117,000		46,000		1,206,000		88,000
Thailand		--		398,000		7,000		400,000
Other		339,000		741,000		1,040,000		1,189,000
Total	$	3,029,000	$	2,201,000	$	5,692,000	$	3,718,000

	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

	Three Months Ended June 30, 2021
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,048,000	$	48,000	$	--	$	1,096,000
BioArchive		223,000		326,000		--		549,000
CAR-TXpress		287,000		30,000		72,000		389,000
Manual Disposables		116,000		--		--		116,000
Other		30,000		--		21,000		51,000
Total	$	1,704,000	$	404,000	$	93,000	$	2,201,000

	Six Months Ended June 30, 2021
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,273,000	$	87,000	$	--	$	1,360,000
BioArchive		431,000		868,000		--		1,299,000
CAR-TXpress		542,000		58,000		143,000		743,000
Manual Disposables		245,000		--		--		245,000
Other		37,000		--		34,000		71,000
Total	$	2,528,000	$	1,013,000	$	177,000	$	3,718,000

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

	Remainder of 2022		2023		2024		2025		2026 and beyond		Total
Service revenue	$	782,000	$	682,000	$	203,000	$	83,000	$	--	$	1,750,000
Device revenue (1)		41,000		733,000		41,000		--		--		815,000
Exclusivity fee		143,000		286,000		286,000		286,000		191,000		1,192,000
Other		7,000		13,000		13,000		13,000		130,000		176,000
Total	$	973,000	$	1,714,000	$	543,000	$	382,000	$	321,000	$	3,933,000