Segment and Geographic Information (Tables)

12 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Summary of Company's Segment Information

The following tables summarize the Company’s segment information:

	YEAR ENDED SEPTEMBER 30,
	2022			2021
Revenue:
Oil and Gas Markets	$	49,141		$	52,252
Adjacent Markets		39,171			32,419
Emerging Markets		711			10,193
Corporate		230			—
Total		89,253			94,864
Income (loss) from operations:
Oil and Gas Markets		(7,539	)		(16,229	)
Adjacent Markets		6,021			6,423
Emerging Markets		(9,128	)		5,033
Corporate		(12,490	)		(12,098	)
Total		(23,136	)		(16,871	)
Depreciation and amortization expenses:
Oil and Gas Markets		16,947			18,199
Adjacent Markets		743			440
Emerging Markets		1,068			1,209
Corporate		802			929
Total		19,560			20,777
Impairment, inventory obsolescence and stock-based compensation expenses:
Oil and Gas Markets		3,612			3,850
Adjacent Markets		932			223
Emerging Markets		4,423			100
Corporate		727			798
Total		9,694			4,971
Interest income:
Oil and Gas Markets		850			1,409
Adjacent Markets		—			1
Emerging Markets		—			—
Corporate		126			31
Total		976			1,441
Interest expense:
Oil and Gas Markets		65			—
Adjacent Markets		—			—
Emerging Markets		—			—
Corporate		—			—
Total		65			—

Details of Revenue

The Company generates revenue from product sales, product rentals and services from its subsidiaries located in the United States, Canada, Colombia, the Russian Federation and the United Kingdom. Revenue generated by the Company’s subsidiaries is as follows (in thousands):

	YEAR ENDED SEPTEMBER 30,
	2022		2021
United States	$	82,332	$	88,776
Canada		1,615		1,132
Russian Federation		1,922		1,746
United Kingdom		3,384		3,210
	$	89,253	$	94,864

Summary of Revenue by Geographic Area

A summary of revenue by geographic area is as follows (in thousands):

	YEAR ENDED SEPTEMBER 30,
	2022		2021
Africa	$	471	$	2,507
Asia		13,823		23,299
Canada		1,225		997
Europe		28,381		13,801
South America		7,547		2,514
United States		35,171		49,541
Other		2,635		2,205
	$	89,253	$	94,864

Long-lived Assets

Long-lived assets were as follows (in thousands):

	AS OF SEPTEMBER 30,
	2022		2021
United States	$	71,742	$	98,395
Canada		1,459		3,653
Colombia		449		590
Russian Federation		1,010		689
United Kingdom		422		559
China		13		13
	$	75,095	$	103,899