Segment and Revenue Information (Tables)

6 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Schedule of Reportable Segment

Information on reportable segments utilized by the chief operating decision maker is as follows:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2023		2022		2023		2022
Revenue
Aerospace and Defense	$	25,203	$	9,006	$	46,878	$	18,906
Broadband	1,617		23,644		4,895		55,980
Total revenue	$	26,820	$	32,650	$	51,773	$	74,886
Segment profit
Aerospace and Defense gross profit	$	5,515	$	1,233	$	9,623	$	2,917
Aerospace and Defense research and development expense	5,253		4,041		9,602		8,203
Aerospace and Defense gross profit less research and development expense	$	262	$	(2,808)	$	21	$	(5,286)
Broadband gross profit	$	(1,804)	$	7,784	$	(2,853)	$	(21,897)
Broadband research and development expense	544		494		1,546		959
Broadband gross profit less research and development expense	$	(2,348)	$	7,290	$	(4,399)	$	20,938
Total gross profit less research and development expense	$	(2,086)	$	4,482	$	(4,378)	$	15,652

Schedule of Revenue by Major Product Category

Revenue is classified by major product category as presented below:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2023		2022		2023		2022
Aerospace and Defense
Inertial Navigation	$	24,250	$	7,615	$	44,229	$	15,760
Defense Optoelectronics	953		1,391		2,649		3,146
Broadband
CATV Optical Transmitters and Components	394		20,984		1,947		49,443
Data Center Chips	790		1,113		1,197		2,181
Optical Sensing	433		1,547		1,751		4,356
Total revenue	$	26,820	$	32,650	$	51,773	$	74,886

Schedule of Revenue by Geographic Region

Revenue is classified by timing of recognition as presented below:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2023		2022		2023		2022
Trade revenue (recognized at a point in time)	$	19,989	$	31,157	$	39,096	$	72,849
Contract revenue (recognized over time)	6,831		1,493		12,677		2,037
Total revenue	$	26,820	$	32,650	$	51,773	$	74,886

Geographical Concentration

Revenue is classified by geographic area based on our customers’ billing address as presented below:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2023		2022		2023		2022
United States and Canada	$	20,221	$	29,652	$	39,223	$	67,708
Asia	959		1,728		2,379		4,814
Europe	3,732		963		6,935		1,756
Other	1,908		334		3,236		608
Total revenue	$	26,820	$	32,650	$	51,773	$	74,886