2. Supplemental Financial Information

Inventories

The following table presents details of our inventories:

	June 30,		March 31,
	2013		2013
	(In thousands)
Materials and supplies	$	1,307	$	1,504
Work in process	139		105
Finished goods	627		856
	$	2,073	$	2,465

Intangible Assets

The following table presents details of our intangible assets:

	June 30, 2013					March 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)

Technology	$	1,856	$	(1,239	)	$	1,856	$	(1,178	)
Customer contracts / relationships	750		(278		)	750		(247		)
Trade names and non-compete agreements	1,110		(563		)	1,110		(495		)
Capitalized software development costs	431		—			328		—
Total	$	4,147	$	(2,080	)	$	4,044	$	(1,920	)

We do not have any intangible assets with indefinite useful lives. As of June 30, 2013, future estimated amortization expense is as follows:

Fiscal Year Ending March 31:
(In thousands)
Remainder of 2014	$	538
2015	575
2016	503
2017	354
2018	88
Thereafter	9
	$	2,067

If we acquire additional intangible assets in future periods, our future amortization expense will increase.

Warranty Reserve Activity

The following table presents activity related to the warranty reserve:

	Three Months Ended
	June 30,
	2013			2012
	(In thousands)
Balance at beginning of period	$	169		$	231
Addition charged to cost of revenues	55			(6		)
Warranty claims	(46		)	(28		)
Balance at end of period	$	178		$	197

Comprehensive Income

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

Earnings Per Share

The following table sets forth the computation of basic and diluted income per share from continuing operations:

	Three Months Ended
	June 30,
	2013	2012
	(In thousands)
Denominator:
Weighted average common shares used in basic per share computation	32,520	33,809
Dilutive stock options	125	—
Dilutive restricted stock units	68	54
Dilutive warrants	3	—
Weighted average common shares used in diluted per share computation	32,716	33,863

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

	Three Months Ended
	June 30,
	2013	2012
	(In thousands)

Stock options	725	1,938
Restricted stock units	—	—
Warrants	—	15