Segment and Geographic Information (Tables)

12 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Summary of Company's Segment Information

The following tables summarize the Company’s segment information:

	YEAR ENDED SEPTEMBER 30,
	2016			2015			2014
Revenue:
Seismic	$	33,792		$	60,565		$	214,946
Non-seismic		27,708			23,758			21,420
Corporate		560			544			546
Total		62,060			84,867			236,912
Income (loss) from operations:
Seismic		(47,690	)		(42,732	)		65,159
Non-seismic		4,093			3,031			2,733
Corporate		(11,913	)		(12,854	)		(14,093	)
Total		(55,510	)		(52,555	)		53,799
Depreciation, impairment, inventory obsolescence    and stock-based compensation expenses:
Seismic		34,945			23,696			19,925
Non-seismic		746			505			468
Corporate		1,847			1,728			1,500
Total		36,538			25,929			21,893
Interest income:
Seismic		161			280			74
Non-seismic		3			7			5
Corporate		212			140			44
Total		376			427			123
Interest expense:
Seismic		—			—			—
Non-seismic		—			—			—
Corporate		26			229			471
Total		26			229			471

Details of Revenue

The Company generates revenue from product sales and rentals 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,
	2016			2015			2014
United States	$	56,094		$	77,487		$	230,818
Canada		3,028			4,796			39,064
Colombia		556			609			3,222
Russian Federation		4,254			5,554			14,048
United Kingdom		2,120			2,644			2,229
Eliminations		(3,992	)		(6,223	)		(52,469	)
	$	62,060		$	84,867		$	236,912

Summary of Revenue by Geographic Area

A summary of revenue by geographic area for fiscal years 2016, 2015 and 2014 is as follows (in thousands):

	YEAR ENDED SEPTEMBER 30,
	2016		2015		2014
Asia (including Middle East)	$	18,745	$	8,755	$	5,028
Canada		3,048		2,298		42,632
Europe		4,219		13,672		71,713
Middle East		1,749		2,024		7,550
United States		32,317		50,101		96,380
Other		1,982		8,017		13,609
	$	62,060	$	84,867	$	236,912

Long-lived Assets

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

	AS OF SEPTEMBER 30,
	2016		2015
United States	$	62,921	$	70,170
Canada		11,911		19,323
Colombia		3,487		9,227
Russian Federation		1,498		1,215
United Kingdom		391		502
China		14		14
	$	80,222	$	100,451