Segment and Geographic Information (Tables)

12 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Summary of Company's Segment Information

The following tables summarize the Company’s segment information:

	YEAR ENDED SEPTEMBER 30,
	2020			2019
Revenue:
Oil and Gas Markets	$	61,661		$	64,966
Adjacent Markets		25,440			30,156
Emerging Markets		734			159
Corporate		—			528
Total		87,835			95,809
Income (loss) from operations:
Oil and Gas Markets		(2,139	)		3,095
Adjacent Markets		4,017			6,234
Emerging Markets		(6,064	)		(2,306	)
Corporate		(13,853	)		(5,990	)
Total		(18,039	)		1,033
Depreciation and amortization expenses:
Oil and Gas Markets		21,192			16,865
Adjacent Markets		453			466
Emerging Markets		1,194			1,164
Corporate		854			844
Total		23,693			19,339
Impairment, inventory obsolescence and stock-based compensation expenses:
Oil and Gas Markets		6,326			6,046
Adjacent Markets		232			92
Emerging Markets		203			68
Corporate		941			737
Total		7,702			6,943
Interest income:
Oil and Gas Markets		1,029			1,033
Adjacent Markets		3			1
Emerging Markets		—			—
Corporate		70			274
Total		1,102			1,308
Interest expense:
Oil and Gas Markets		—			—
Adjacent Markets		—			—
Emerging Markets		—			—
Corporate		38			99
Total		38			99

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,
	2020			2019
United States	$	82,166		$	91,222
Canada		3,709			5,266
Colombia		5			408
Russian Federation		2,668			4,286
United Kingdom		2,488			2,905
Eliminations		(3,201	)		(8,278	)
	$	87,835		$	95,809

Summary of Revenue by Geographic Area

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

	YEAR ENDED SEPTEMBER 30,
	2020		2019
Africa	$	5,814	$	20,192
Asia		41,128		10,171
Canada		3,193		5,232
Europe		12,626		25,860
United States		23,780		32,397
Other		1,294		1,957
	$	87,835	$	95,809

Long-lived Assets

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

	AS OF SEPTEMBER 30,
	2020		2019
United States	$	114,119	$	118,064
Canada		6,654		10,419
Colombia		1		671
Russian Federation		717		961
United Kingdom		404		430
China		13		13
	$	121,908	$	130,558