Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net Income Per Share Details
Income from continuing operations	$ 1,291	$ 1,488	$ 1,299	$ 3,480
Income from discontinued operations, net of income tax provision	0	743	0	890
Net income available to common stockholders	$ 1,291	$ 2,231	$ 1,299	$ 4,370
Common shares	89,073	72,970	88,861	72,788
Denominator for basic calculation	89,073	72,970	88,861	72,788
Employee stock options	2,187	2,913	2,335	2,896
Stock awards	355	349	372	351
Denominator for diluted calculation	91,615	76,232	91,568	76,035
Income per share - continuing operations:
Basic	$ 0.01	$ 0.02	$ 0.01	$ 0.05
Diluted	$ 0.01	$ 0.02	$ 0.01	$ 0.05
Income per share - discontinued operations:
Basic	$ 0.00	$ 0.01	$ 0.00	$ 0.01
Diluted	$ 0.00	$ 0.01	$ 0.00	$ 0.01
Net income per share:
Basic	$ 0.01	$ 0.03	$ 0.01	$ 0.06
Diluted	$ 0.01	$ 0.03	$ 0.01	$ 0.06