XML 74 R41.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements - Schedule of Liabilities Measured at Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Warrants
    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Beginning balance $ 2,601 $ 3,633
Warrant issuance with Senior Secured Term Loan   315
Mark to market adjustment 35 (1,347)
Ending balance 2,636 2,601
Derivative Liability
    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Beginning balance   529
Mark to market adjustment   (525)
Extinguishment of derivative liability   (4)
Ending balance   $ 0