2. Supplemental Financial Information

Inventories

The following table presents details of our inventories:

	December 31,		March 31,
	2013		2013
	(In thousands)
Materials and supplies	$	1,721	$	1,504
Work in process	48		105
Finished goods	899		856
	$	2,668	$	2,465

Intangible Assets

The following table presents details of our intangible assets:

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

Technology	$	1,856	$	(1,361	)	$	1,856	$	(1,178	)
Customer contracts / relationships	750		(340		)	750		(247		)
Trade names and non-compete agreements	1,110		(701		)	1,110		(495		)
Capitalized software development costs	498		(42		)	328		—
Acquired data sets	130		(11		)	—		—
Total	$	4,344	$	(2,455	)	$	4,044	$	(1,920	)

Capitalized software development costs for the iPeMS platform and acquired data sets began to be amortized during the three month period ended December 31, 2013, resulting in approximately $53,000 recorded to cost of revenues in the accompanying unaudited consolidated statements of operations. We do not have any intangible assets with indefinite useful lives. As of December 31, 2013, future estimated amortization expense is as follows:

Fiscal Year Ending March 31:
(In thousands)
Remainder of 2014	$	197
2015	641
2016	569
2017	386
2018	88
Thereafter	8
	$	1,889

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:

	Nine Months Ended
	December 31,
	2013			2012
	(In thousands)
Balance at beginning of period	$	169		$	231
Addition charged to cost of revenues	132			52
Warranty claims	(118		)	(126		)
Balance at end of period	$	183		$	157

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 (loss) per share from continuing operations:

	Three Months Ended		Nine Months Ended
	December 31,		December 31,
	2013	2012	2013	2012
	(In thousands)
Denominator:
Weighted average common shares used in basic per share computation	32,734	33,532	32,628	33,657
Dilutive stock options	118	66	125	43
Dilutive restricted stock units	45	41	71	58
Dilutive warrants	—	2	2	1
Weighted average common shares used in diluted per share computation	32,897	33,641	32,826	33,759

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		Nine Months Ended
	December 31,		December 31,
	2013	2012	2013	2012
	(In thousands)

Stock options	765	733	898	1,155
Warrants	—	—	—	5