Stock-based Compensation (Tables)

6 Months Ended

Sep. 30, 2012

Stock-based Compensation

Schedule of the compensation expense (recovery) associated with stock-based compensation

	Quarter Ended September 30, 2012						Quarter Ended September 30, 2011
	Stock Options		Restricted Stock		LTIPs		Stock Options		Restricted Stock		LTIPs
Cost of sales	$	214	$	121	$	88	$	81	$	—	$	125
Selling, general and administrative expenses	242		356		161		144		135		499
Research and development	32		—		28		—		—		—
	$	488	$	477	$	277	$	225	$	135	$	624

	Six Months Ended September 30, 2012						Six Months Ended September 30, 2011
	Stock Options		Restricted Stock		LTIPs		Stock Options		Restricted Stock		LTIPs
Cost of sales	$	426	$	242	$	156	$	165	$	—	$	290
Selling, general and administrative expenses	496		754		334		291		270		1,159
Research and development	50		—		48		—		—		—
	$	972	$	996	$	538	$	456	$	270	$	1,449