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Commitments and Contingencies - Additional Information (Detail) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
May 30, 2013 USD ($) | May 30, 2013 ILS | Jan. 23, 2013 | Mar. 31, 2013 USD ($) | Mar. 31, 2012 USD ($) | May 04, 2012 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Rental expense for continuing operations |  |  |  | $ 250,000 | $ 170,000 |
Dispute settlement amount |  |  |  |  |  | 35,000
Settlement of common stock |  |  | 48,114 |  |  |
class action lawsuit filed | $ 5,300,000 | 19,200,000 |  |  |  |

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