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Note 5 - Stock-Based Compensation (Tables)

6 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months E nded September 30 ,								Six Months E nded September 30 ,
		2015				2014				2015				2014
Total cost of stock-based compensation charged against income before income taxes		$	330			$	237			$	657			$	516
Amount of income tax benefit recognized in earnings			123				84				235				182
Amount charged against net income		$	207			$	153			$	422			$	334
Impact on net income per common share:
Basic		$	0.06			$	0.04			$	0.12			$	0.10
Diluted			0.06				0.04			$	0.11				0.09

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Shares				Weighted- A verage Exercise Price per Share				Weighted- A verage Remaining Contractual Term				Aggregate Intrinsic Value (000s)
Outstanding at March 31, 2015			437,248			$	55.81				4.9			$	9,445
Stock options granted			180,050				72.18				7.3
Stock options forfeited			(11,989	)			77.29				7.6
Stock options expired			--				--
Stock options exercised			(49,822	)			38.56
Outstanding at September 30, 2015			555,487				62.20				5.5				27,330
Exercisable at September 30, 2015			189,816				40.93				3.7				13,376

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

		Number of Shares				Weighted- A verage Grant-Date Fair Value
Unvested at March 31, 2015			274,038			$	18.42
Stock options granted			180,050				18.5
Stock options forfeited			(11,989	)			19.63
Stock options vested			(76,428	)			14.56
Unvested at September 30, 2015			365,671				19.23

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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