19. Segment and Geographic Information

The Company reports and evaluates financial information for two segments: Seismic and Non-Seismic. Seismic product lines include land and marine wireless data acquisition systems, seabed reservoir characterization products and services, geophones and geophone strings, hydrophones, leader wire, connectors, telemetry cables, marine streamer retrieval and steering devices and various other products. The Non-Seismic product lines include thermal imaging products and industrial products.

The following tables summarize the Company’s segment information:

	YEAR ENDED SEPTEMBER 30,
	2015			2014			2013
Revenue:
Seismic	$	60,565		$	214,946		$	275,201
Non-Seismic		23,758			21,420			24,578
Corporate		544			546			828
Total		84,867			236,912			300,607
Income (loss) from operations:
Seismic		(42,732	)		65,159			110,118
Non-Seismic		3,031			2,733			3,344
Corporate		(12,854	)		(14,093	)		(12,235	)
Total		(52,555	)		53,799			101,227
Depreciation, amortization, goodwill impairment and stock-based compensation expenses:
Seismic		23,696			19,925			11,207
Non-Seismic		505			468			289
Corporate		1,728			1,500			1,277
Total		25,929			21,893			12,773
Interest income:
Seismic		280			74			781
Non-Seismic		7			5			2
Corporate		140			44			97
Total		427			123			880
Interest expense:
Seismic		—			—			141
Non-Seismic		—			—			—
Corporate		229			471			119
Total		229			471			260

The Company’s manufacturing operations for its Seismic and Non-Seismic business segments are combined. Therefore, the Company does not segregate and report separate balance sheet accounts for these segments. As a result, the Company does not report business segment balance sheet information.

“Corporate” revenue consists of rental revenue earned from an operating lease of a surplus building located in Houston, Texas. “Corporate” loss from operations primarily consists of the Company’s Houston headquarter general and administrative expenses.

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,
	2015			2014			2013
United States	$	77,487		$	230,818		$	300,131
Canada		4,796			39,064			39,415
Colombia		609			3,222			608
Russian Federation		5,554			14,048			10,758
United Kingdom		2,644			2,229			2,021
Eliminations		(6,223	)		(52,469	)		(52,326	)
	$	84,867		$	236,912		$	300,607

A summary of revenue by geographic area for fiscal years 2015, 2014 and 2013 is as follows (in thousands):

	YEAR ENDED SEPTEMBER 30,
	2015		2014		2013
Asia (excluding Middle East)	$	8,755	$	5,028	$	8,789
Canada		2,298		42,632		74,839
Europe		13,672		71,713		115,226
Middle East		2,024		7,550		2,385
United States		50,101		96,380		88,512
Other		8,017		13,609		10,856
	$	84,867	$	236,912	$	300,607

Revenue is attributed to countries based on the ultimate destination of the product sold, if known. If the ultimate destination is not known, revenue is attributed to countries based on the geographic location of the initial shipment.

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

	AS OF SEPTEMBER 30,
	2015		2014
United States	$	70,170	$	63,369
Canada		19,323		32,270
Colombia		9,227		12,122
Russian Federation		1,215		2,549
United Kingdom		502		579
China		14		14
	$	100,451	$	110,903

Amounts in the above table consist of non-current assets.