Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest - Long-term debt (Detail)

v3.5.0.2
Debt and Interest - Long-term debt (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 09, 2016
Dec. 31, 2015
Debt [Line Items]      
Total notes payable, long-term $ 30,168   $ 24,009
Less: Discount on notes payable 2,764   835
Total notes payable, long-term, net $ 24,373   23,174
Interest Rate 39.49% 9.00%  
IDB Note [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 14,929   14,009
Interest Rate 2.25%    
Maturity Date Feb - 2018    
NSC Note [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 7,208   10,000
Interest Rate 8.00%    
Maturity Date Mar - 2018    
Helocyte Convertible Note [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 3,031   0
Maturity Date Dec - 2017    
Helocyte Convertible Note [Member] | Minimum [Member]      
Debt [Line Items]      
Interest Rate 5.00%    
Helocyte Convertible Note [Member] | Maximum [Member]      
Debt [Line Items]      
Interest Rate 8.00%    
Opsc Credit Facility [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 5,000   $ 0
Interest Rate 12.00%    
Maturity Date Sep - 2018