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The Company and Its Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2013

The Company and Its Accounting Policies [Abstract]

Summary of costs and estimated earnings on contracts


		March 31,
		2013				2012
Costs incurred since inception on contracts in progress		$	37,632			$	24,947
Estimated earnings since inception on contracts in progress			12,311				12,108

			49,943				37,055
Less billings to date			49,485				40,956

Net under billings		$	458			$	(3,901	)

Accompanying Consolidated Balance Sheets


		March 31,
		2013				2012
Unbilled revenue		$	13,113			$	12,667
Progress payments reducing inventory (Note 3)			(5,736	)			(9,311	)
Customer deposits			(6,919	)			(7,257	)

Net under billings		$	458			$	(3,901	)

Reconciliation of numerators and denominators of basic and diluted income per share


		Year ended March 31,
		2013				2012				2011
Basic income per share:
Numerator:
Net income		$	11,148			$	10,553			$	5,874

Denominator:
Weighted common shares outstanding			9,984				9,913				9,860
Share equivalent units (“SEUs”) outstanding			43				50				59

Weighted average shares and SEUs outstanding			10,027				9,963				9,919

Basic income per share		$	1.11			$	1.06			$	.59


Diluted income per share:
Numerator:
Net income		$	11,148			$	10,553			$	5,874

Denominator:
Weighted average shares and SEUs outstanding			10,027				9,963				9,919
Stock options outstanding			24				34				38
Contingently issuable SEUs			—				1				1

Weighted average common and potential common shares outstanding			10,051				9,998				9,958

Diluted income per share		$	1.11			$	1.06			$	.59