Summary of Significant Accounting Policies (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2011 As Previously Reported [Member]	Jun. 30, 2011 As Previously Reported [Member]	Sep. 30, 2011 Adjustment [Member]	Jun. 30, 2011 Adjustment [Member]	Sep. 30, 2011 As Revised [Member]	Jun. 30, 2011 As Revised [Member]
Effect this revision on condensed consolidated statements of operations
Net revenue	$ 54,246	$ 52,685	$ 105,892	$ 105,276	$ 53,587	$ 53,886	$ (902)	$ (1,295)	$ 52,685	$ 52,591
Costs of goods sold	32,165	31,686	63,433	66,189	31,972	34,359	(286)	144	31,686	34,503
Net loss from continued operations	$ (351)	$ (3,554)	$ (2,144)	$ (10,433)	$ (3,238)	$ (5,440)	$ (316)	$ (1,439)	$ (3,554)	$ (6,879)
Loss per share for continuing operations - Basic and diluted	$ 0.02	$ 0.16	$ 0.10	$ 0.46	$ (0.14)	$ (0.24)	$ (0.02)	$ (0.06)	$ (0.16)	$ (0.30)