Note 11 - Accrued and Other Liabilities (Tables)

12 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,
	2021		2020
Payroll and related	$	3,726	$	2,545
Deferred revenue		1,120		731
Customer deposits		8,701		3,683
Accrued contract costs		416		719
Warranty reserve		146		126
Other		2		76
Total	$	14,111	$	7,880

Other Noncurrent Liabilities [Table Text Block]

	September 30,
	2021		2020
Deferred extended warranty revenue	$	308	$	293
Asset purchase holdback liability		687		-
Total	$	995	$	293

Schedule of Product Warranty Liability [Table Text Block]

	September 30,
	2021			2020
Beginning balance	$	126		$	150
Warranty provision		56			16
Warranty settlements		(36	)		(40	)
Ending balance	$	146		$	126