Note 6 - Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2021

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	September 30, 2021
	Cost Basis		Unrealized Gain (Loss)			Fair Value		Cash Equivalents		Short-term Securities		Long-term Securities
Level 1:
Money Market Funds	$	932	$	-		$	932	$	932	$	-	$	-
Level 2:
Certificates of deposit		1,494		-			1,494		-		694		800
Municipal securities		5,139		(1	)		5,138		-		4,205		933
Corporate bonds		928		1			929		-		787		142
Subtotal		7,561		-			7,561		-		5,686		1,875
Total	$	8,493	$	-		$	8,493	$	932	$	5,686	$	1,875

	September 30, 2020
	Cost Basis		Unrealized Gain		Fair Value		Cash Equivalents		Short-term Securities		Long-term Securities
Level 1:
Money Market Funds	$	365	$	-	$	365	$	365	$	-	$	-
Level 2:
Certificates of deposit		1,195		-		1,195		-		-		1,195
Municipal securities		3,777		4		3,781		-		2,431		1,350
Corporate bonds		3,091		3		3,094		-		1,834		1,260
Subtotal		8,063		7		8,070		-		4,265		3,805
Total	$	8,428	$	7	$	8,435	$	365	$	4,265	$	3,805

Fair Value Measurements, Nonrecurring [Table Text Block]

	Carrying Value		Level 1		Level 2		Level 3
Goodwill from Zonehaven acquisition	$	15,538	$	-	$	-	$	15,538
Intangible assets from Zonehaven acquisition	$	9,594	$	-	$	-	$	9,594
Goodwill from Amika Mobile asset purchase	$	5,853	$	-	$	-	$	5,853
Intangibles from Amika Mobile asset purchase	$	2,531	$	-	$	-	$	2,531
Operating lease ROU asset from Amika Mobile asset purchase	$	248	$	-	$	-	$	248
Holdback liability from Amika Mobile asset purchase	$	687	$	-	$	-	$	687

Holdback Liability [Member]

Notes Tables

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]

Balance at acquisition date	$	613
Accretion		46
Currency translation		28
Balance at September 30, 2021	$	687