Agreements with Shareholders and Related Party Transactions - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended					1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Jul. 31, 2011	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013 Director	Mar. 31, 2012 Director	Apr. 02, 2011 Director	Jul. 31, 2011 Preferred Stock	Mar. 31, 2012 Preferred Stock	Jul. 31, 2011 Common Stock	Mar. 31, 2012 Common Stock
Related Party Transaction [Line Items]
Issuance of shares in exchange for note, value	$ 101,700,000		$ 101,650,000
Issuance of shares in exchange for note, shares							475,796	475,796	6,579,656	6,579,656
Issuance of ordinary shares in exchange for note, shares									6,579,662
Estimated cost of business travel charged to selling, general and administrative services during period		300,000
Agreements between the Company and Far East Holdings Limited expiry date			Mar. 31, 2041
Future royalty receivable year			2014
Amounts charged to the Licensees		300,000
Inventory purchased from manufacturer owned by one of its directors				$ 5,700,000	$ 2,700,000	$ 2,600,000