Sale of TPack A/S (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Apr. 22, 2013 TPack [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Divestiture of Interest in Consolidated Subsidiaries, Sales Price					$ 33,500,000
Agreed upon price for sale of entity					34,000,000
Working capital adjustment to sale price					500,000
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Total proceeds, net of working capital adjustment					30,175,000
Net assets and liabilities					(184,000)
Goodwill write off					(1,757,000)
Intangibles write off					(11,404,000)
Holdback amount					3,353,000
Legal fees and other costs					(484,000)
Gain on sale of TPack	0	0	19,699,000	0	19,699,000
Cash, cash equivalents and short term investments					$ 700,000