Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Net Income Per Share Details
Income from continuing operations	$ 444	$ 89	$ 1,743	$ 3,569
Income from discontinued operations, net of income tax provision	0	0	0	890
Net income available to common stockholders	$ 444	$ 89	$ 1,743	$ 4,459
Common shares	89,594	79,742	89,107	75,071
Denominator for basic calculation	89,594	79,742	89,107	75,071
Employee stock options	1,963	2,982	2,210	2,938
Stock awards	417	458	435	380
Denominator for diluted calculation	91,974	83,182	91,752	78,389
Income per share - continuing operations:
Basic	$ 0.01	$ 0.00	$ 0.02	$ 0.05
Diluted	$ 0.01	$ 0.00	$ 0.02	$ 0.05
Income per share - discontinued operations:
Basic	$ 0.00	$ 0.00	$ 0.00	$ 0.01
Diluted	$ 0.00	$ 0.00	$ 0.00	$ 0.01
Net income per share:
Basic	$ 0.01	$ 0.00	$ 0.02	$ 0.06
Diluted	$ 0.01	$ 0.00	$ 0.02	$ 0.06