Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Warrant Liabilities And Convertible Notes At Fair Value (Detail)

v3.5.0.2
Fair Value Measurements - Warrant Liabilities And Convertible Notes At Fair Value (Detail) - Helocyte [Member]
3 Months Ended
Jun. 30, 2016
$ / shares
Convertible Debt [Member]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Risk-free interest rate 1.01%
Expected dividend yield 0.00%
Expected term in years 1 year 6 months
Expected volatility 72.00%
Probability of conversion 31.88%
Warrant [Member]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Risk-free interest rate 1.01%
Expected dividend yield 0.00%
Expected term in years 5 years
Expected volatility 89.20%
Strike price $ 0.43