Revenue Recognition (Tables)

9 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Summary of Revenue from the Sale of Products and Performance of Services Under Contracts with Customers Excludes All Revenue Earned from Rental Contracts by Operating Segments

For each of the Company’s operating segments, the following table presents revenue only from the sale of products and the performance of services under contracts with customers (in thousands). Therefore, the table excludes all revenue earned from rental contracts.

	Three Months Ended				Nine Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
Oil and Gas Markets
Traditional exploration product revenue	$	1,592	$	1,949	$	3,389	$	3,736
Wireless exploration product revenue		100		4,264		14,358		26,923
Reservoir product revenue		692		1,071		1,513		1,565
Total revenue		2,384		7,284		19,260		32,224
Adjacent Markets
Industrial product revenue		7,465		6,451		18,471		15,835
Imaging product revenue		3,429		2,883		9,708		7,923
Total revenue		10,894		9,334		28,179		23,758
Emerging Markets
Revenue		135		1,061		571		10,023
Corporate
Revenue		50		—		50		—
Total	$	13,463	$	17,679	$	48,060	$	66,005

Summary of Revenue from the Sale of Products and Services Under Contracts with Customers Excludes All Revenue Earned from Rental Contracts by Geographic Areas

For each of the geographic areas where the Company operates, the following table presents revenue (in thousands) from the sale of products and services under contracts with customers. The table excludes all revenue earned from rental contracts:

	Three Months Ended				Nine Months Ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
Asia	$	1,223	$	4,088	$	7,580	$	16,554
Canada		577		279		1,634		1,167
Europe		1,625		3,223		14,368		6,102
United States		9,297		9,401		22,621		40,820
Other		741		688		1,857		1,362
Total	$	13,463	$	17,679	$	48,060	$	66,005