Segment Data and Related Information (Tables)

9 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Schedule of segment revenue

The following tables set forth revenue attributable to each of our reporting segments and by geographic region with revenue assigned to geographic regions based on our customers’ billing address.

Segment Revenue	For the three months ended June 30,				For the nine months ended June 30,
(in thousands)	2014		2013		2014		2013
Fiber Optics revenue	$	26,172	$	21,560	$	73,084	$	74,368
Photovoltaics revenue	18,410		11,913		57,956		50,688
Total revenue	$	44,582	$	33,473	$	131,040	$	125,056

Schedule of revenue by geographic region

Revenue by Geographic Region	For the three months ended June 30,				For the nine months ended June 30,
(in thousands)	2014		2013		2014		2013
United States	$	26,598	$	21,674	$	81,711	$	84,665
Asia	10,064		10,012		31,444		27,737
Europe	6,837		1,605		16,257		11,710
Other	1,083		182		1,628		944
Total revenue	$	44,582	$	33,473	$	131,040	$	125,056

Statement of operations data

The following table sets forth operating (loss) income attributable to each of our reporting segments.

Operating (Loss) Income	For the three months ended June 30,						For the nine months ended June 30,
(in thousands)	2014			2013			2014			2013
Fiber Optics operating (loss) income	$	(5,092	)	$	(8,998	)	$	(18,983	)	$	(1,501	)
Photovoltaics operating income	1,961			1,329			8,363			8,849
Total operating (loss) income	$	(3,131	)	$	(7,669	)	$	(10,620	)	$	7,348

Schedule of depreciation, amortization, and accretion expense

The following tables set forth our significant non-cash expenses attributable to each of our reporting segments.

Depreciation, Amortization, and Accretion Expense	For the three months ended June 30,				For the nine months ended June 30,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	1,521	$	1,479	$	4,461	$	4,145
Photovoltaics segment	652		620		1,875		2,016
Total depreciation, amortization, and accretion expense	$	2,173	$	2,099	$	6,336	$	6,161

Schedule of stock-based compensation expense

Stock-based Compensation Expense	For the three months ended June 30,				For the nine months ended June 30,
(in thousands)	2014		2013		2014		2013
Fiber Optics segment	$	792	$	686	$	2,221	$	2,114
Photovoltaics segment	388		466		1,198		1,171
Total stock-based compensation expense	$	1,180	$	1,152	$	3,419	$	3,285

Schedule of long-lived assets

The following table sets forth long-lived assets for each of our reporting segments and our unallocated Corporate division.

Long-lived Assets	As of		As of
(in thousands)	June 30, 2014		September 30, 2013
Fiber Optics segment	$	20,188	$	23,804
Photovoltaics segment	39,298		40,048
Unallocated Corporate division	8,342		8,435
Long-lived assets	$	67,828	$	72,287