Note 7 - Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended March 31, 2022
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	1,711,000	$	55,000	$	--	$	1,766,000
BioArchive		155,000		298,000		--		453,000
CAR-TXpress		199,000		43,000		71,000		313,000
Manual Disposables		105,000		--		--		105,000
Other		17,000		--		9,000		26,000
Total	$	2,187,000	$	396,000	$	80,000	$	2,663,000

	Three Months Ended March 31, 2021
	Device Revenue		Service Revenue		Other Revenue		Total Revenue
AXP	$	225,000	$	39,000	$	--	$	264,000
BioArchive		208,000		542,000		--		750,000
CAR-TXpress		255,000		28,000		71,000		354,000
Manual Disposables		129,000		--		--		129,000
Other		7,000		--		13,000		20,000
Total	$	824,000	$	609,000	$	84,000	$	1,517,000

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

	Remainder of 2022		2023		2024		2025		2026 and beyond		Total
Service revenue	$	1,075,000	$	666,000	$	184,000	$	83,000	$	--	$	2,008,000
Device revenue (1)		712,000		733,000		41,000		--		--		1,486,000
Exclusivity fee		214,000		286,000		286,000		286,000		190,000		1,262,000
Other		10,000		13,000		13,000		13,000		140,000		189,000
Total	$	2,011,000	$	1,698,000	$	524,000	$	382,000	$	330,000	$	4,945,000