Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

The following table summarizes changes in the balance of goodwill during the six months ended March 31, 2018 (amounts shown in thousands):



Balance at September 30, 2017	$	3,014
Acquisition of ICAR	6,852
Foreign currency effect on goodwill	432
Balance at March 31, 2018	$	10,298

Schedule of Intangible Assets

Intangible assets as of March 31, 2018 and September 30, 2017, respectively, are summarized as follows (amounts shown in thousands, except for years):



March 31, 2018:	Weighted Average Amortization Period	Cost		Accumulated Amortization		Net
Completed technologies	5.3 years	$	7,326	$	1,238	$	6,088
Customer relationships	3.8 years	2,268		656		1,612
Trade names	4.2 years	383		136		247
Total intangible assets		$	9,977	$	2,030	$	7,947



September 30, 2017:	Weighted Average Amortization Period	Cost		Accumulated Amortization		Net
Completed technologies	6.0 years	$	2,370	$	833	$	1,537
Customer relationships	6.0 years	970		341		629
Trade names	5.0 years	230		99		131
Total intangible assets		$	3,570	$	1,273	$	2,297

Schedule of Estimated Future Amortization Expense

The estimated future amortization expense related to intangible assets for each of the five succeeding fiscal years is expected to be as follows (amounts shown in thousands):



	Estimated Future Amortization Expense
2018 (remaining six months)	$	1,213
2019	2,426
2020	1,761
2021	1,469
2022	1,035
Thereafter	43
Total	$	7,947