Segment Information (Tables)

6 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Summary of Company's Segment Information

The following table summarizes the Company’s segment information (in thousands):

	Three Months Ended						Six Months Ended
	March 31, 2018			March 31, 2017			March 31, 2018			March 31, 2017
Revenue:
Seismic	$	11,287		$	13,944		$	19,326		$	23,350
Non-Seismic		7,826			6,468			14,280			12,204
Corporate		134			146			285			289
Total	$	19,247		$	20,558		$	33,891		$	35,843
Income (loss) from operations:
Seismic	$	(3,757	)	$	(9,156	)	$	(11,430	)	$	(18,609	)
Non-Seismic		1,384			1,052			2,413			2,104
Corporate		(2,849	)		(2,956	)		(5,810	)		(5,866	)
Total	$	(5,222	)	$	(11,060	)	$	(14,827	)	$	(22,371	)