2. Supplemental Financial Information

Inventories

The following table presents details of our inventories:

	September 30,		March 31,
	2017		2017
	(In thousands)
Materials and supplies	$	1,159	$	887
Work in process	295		298
Finished goods	1,329		1,065

	$	2,783	$	2,250

Intangible Assets

There are no indefinite lived intangible assets on our unaudited consolidated balance sheets. The following table presents details of our net intangible assets:

	September 30, 2017							March 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
	(In thousands)

Technology	$	1,856	$	(1,852	)	$	4	$	1,856	$	(1,828	)	$	28
Customer contracts / relationships	750		(746		)	4		750		(726		)	24
Trade names and non-compete agreements	1,110		(1,087		)	23		1,110		(1,066		)	44
Capitalized software development costs	3,302		(1,013		)	2,289		2,158		(756		)	1,402

Total	$	7,018	$	(4,698	)	$	2,320	$	5,874	$	(4,376	)	$	1,498

As of September 30, 2017, future estimated amortization expense is as follows:

Fiscal Year Ending March 31,
(In thousands)
Remainder of 2018	$	384
2019	863
2020	578
2021	233
2022	131
Thereafter	131

	$	2,320

Warranty Reserve Activity

Warranty reserve was recorded as accrued liabilities in the accompanying unaudited consolidated balance sheets. The following table presents activity related to the warranty reserve:

	Six Months Ended
	September 30,
	2017			2016
	(In thousands)
Balance at beginning of fiscal year	$	278		$	193
Additions charged to cost of sales	359			88
Warranty claims	(294		)	(78		)

Balance at end of period	$	343		$	203

Comprehensive Income

Comprehensive income is equal to net income for all periods presented in the accompanying unaudited consolidated statements of operations.

Loss Per Share

The following table sets forth the reconciliation of weighted average common shares used in basic per share computations and weighted average common shares used in diluted per share computations in the unaudited consolidated financial statements:

	Three Months Ended		Six Months Ended
	September 30,		September 30,
	2017	2016	2017	2016
	(In thousands)
Denominator:
Weighted average common shares used in basic computation	32,628	32,117	32,567	32,085
Dilutive stock options	—	—	—	—
Dilutive restricted stock units	—	—	—	—

Weighted average common shares used in diluted computation	32,628	32,117	32,567	32,085

The following instruments were excluded for purposes of calculating weighted average common share equivalents in the computation of diluted loss from continuing operations per share as their effect would have been anti-dilutive:

	Three Months Ended		Six Months Ended
	September 30,		September 30,
	2017	2016	2017	2016
	(In thousands)

Stock options	3,927	3,367	3,852	3,339
Restricted stock units	289	175	261	174