Goodwill and Other Intangible Assets

3 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

8.   Goodwill and Other Intangible Assets

In connection with the acquisition of all of the intellectual property and related assets of the OptoSeis fiber optic sensing technology business from PGS Americas, Inc. in November 2018, the Company recorded goodwill of $1.6 million and other intangible assets of $4.5 million.  As a result of this acquisition and the acquisition of Quantum Technology Sciences (“Quantum”) in July 2018, the Company’s consolidated intangible assets consisted of the following (in thousands):  

	Weighted-
	Average
	Remaining Useful
	Lives (in years)	December 31, 2018			September 30, 2018
Goodwill		$	5,980		$	4,343
Other intangible assets:
Developed technology	17.7		6,419			4,200
Customer relationships	3.7		4,200			2,500
Trade names	4.7		1,930			1,400
Non-compete agreements	3.7		170			100
Total other intangible assets	10.9		12,719			8,200
Accumulated amortization			(556	)		(194	)
		$	12,163		$	8,006

Intangible assets amortization expense was $0.4 million for the three months ended December 31, 2018.  The Company had no intangible asset amortization expense for the three months ended December 31, 2017.

As of December 31, 2018, future estimated amortization expense of other intangible assets is as follows (in thousands):

For fiscal years ending September 30,
2019	$	1,376
2020		1,835
2021		1,835
2022		1,727
2023		751
Thereafter		4,639
	$	12,163