Revenue (Tables)

3 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table represents a breakout of total revenue by customer type for the three months ended December 31, 2018 and 2017, respectively.

	Three Months Ended December 31,
	2018		2017 ¹
Commercial revenue	$	12,067	$	13,641
Military revenue	17,000		10,610
Total	$	29,067	$	24,251

¹ Prior period amounts have not been adjusted under the modified retrospective adoption method.

The following table represents revenue by the various components for the three months ended December 31, 2018 and 2017, respectively.

	Three Months Ended December 31,
Net Sales	2018		2017 ¹
Aerospace components for:
Fixed wing aircraft	$	13,304	$	12,520
Rotorcraft	5,130		5,537
Energy components for power generation units	3,732		5,508
Commercial product and other revenue	6,901		686
Total	$	29,067	$	24,251

¹ Prior period amounts have not been adjusted under the modified retrospective adoption method.

The following table represents revenue by geographic region based on the Company's selling operation locations for the three months ended December 31, 2018 and 2017, respectively:

	Three Months Ended December 31,
Net Sales	2018		2017 ¹
North America	25,721		19,255
Europe	3,346		4,996
Total	$	29,067	$	24,251

¹ Prior period amounts have not been adjusted under the modified retrospective adoption method.

Contract Assets

The following table contains a roll forward of contract assets and contract liabilities for the three months ended December 31, 2018:

Contract assets - Beginning balance, October 1, 2018	$	10,140
Additional revenue recognized over-time	17,827
Less amounts billed to the customers	$	(17,705	)
Contract assets - Ending balance, December 31, 2018	$	10,262

Contract liabilities (included within Accrued liabilities) - Beginning balance, October 1, 2018	$	—
Performance obligations satisfied	559
Payments received in advance of performance obligations	(1,000		)
Contract liabilities (included within Accrued liabilities) - Ending balance, December 31, 2018	$	(441	)