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Commitments and Contingencies - Summary of Commitments and Contingencies (Detail)
Jun. 30, 2014
USD ($)
Commitments And Contingencies [Line Items]  
Total $ 1,955,000
2015 619,000
2016 334,000
2017 334,000
2018 334,000
2019 334,000
Thereafter 0
Clinical Research and Trial Obligations [Member]  
Commitments And Contingencies [Line Items]  
Total 273,000
2015 273,000
Thereafter 0
Sponsored Research Agreement with Related Party [Member]  
Commitments And Contingencies [Line Items]  
Total 362,000
2015 82,000
2016 70,000
2017 70,000
2018 70,000
2019 70,000
Thereafter 0
Management Fee [Member]  
Commitments And Contingencies [Line Items]  
Total 1,320,000
2015 264,000
2016 264,000
2017 264,000
2018 264,000
2019 264,000
Thereafter $ 0