Segment and Geographic Information (Tables)

12 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Summary of Company's Segment Information

The following tables summarize the Company’s segment information:

	YEAR ENDED SEPTEMBER 30,
	2019			2018
Revenue:
Oil and Gas Markets	$	64,966		$	44,951
Adjacent Markets		30,156			29,932
Emerging Markets		159			286
Corporate		528			579
Total		95,809			75,748
Income (loss) from operations:
Oil and Gas Markets		3,095			(14,070	)
Adjacent Markets		6,234			5,345
Emerging Markets		(2,306	)		(718	)
Corporate		(5,990	)		(11,300	)
Total		1,033			(20,743	)
Depreciation and amortization expenses:
Oil and Gas Markets		16,865			13,348
Adjacent Markets		466			490
Emerging Markets		1,164			194
Corporate		844			380
Total		19,339			14,412
Impairment, inventory obsolescence and stock-based compensation expenses:
Oil and Gas Markets		6,046			6,243
Adjacent Markets		92			164
Emerging Markets		68			14
Corporate		737			823
Total		6,943			7,244
Interest income:
Oil and Gas Markets		1,033			614
Adjacent Markets		1			—
Emerging Markets		—			—
Corporate		274			469
Total		1,308			1,083
Interest expense:
Oil and Gas Markets		—			2
Adjacent Markets		—			—
Emerging Markets		—			1
Corporate		99			333
Total		99			336

Details of Revenue

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

	YEAR ENDED SEPTEMBER 30,
	2019			2018
United States	$	91,222		$	79,019
Canada		5,266			8,311
Colombia		408			300
Russian Federation		4,286			3,539
United Kingdom		2,905			3,095
Eliminations		(8,278	)		(18,516	)
	$	95,809		$	75,748

Summary of Revenue by Geographic Area

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

	YEAR ENDED SEPTEMBER 30,
	2019		2018
Africa	$	20,192	$	5
Asia		10,171		2,143
Canada		5,232		15,945
Europe		25,860		4,743
United States		32,397		50,522
Other		1,957		2,390
	$	95,809	$	75,748

Long-lived Assets, Excluding Deferred Tax Assets

Long-lived assets, excluding deferred tax assets, were as follows (in thousands):

	AS OF SEPTEMBER 30,
	2019		2018
United States	$	118,064	$	106,079
Canada		10,419		13,515
Colombia		671		1,002
Russian Federation		961		1,143
United Kingdom		430		428
China		13		13
	$	130,558	$	122,180