Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest - Long-term debt (Detail)

v3.7.0.1
Debt and Interest - Long-term debt (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Debt [Line Items]    
Total notes payable, net $ 35,575 $ 30,224
Less: Discount of notes payable 2,549 2,009
Total notes payable, net 33,026 28,215
IDB Note [Member]    
Debt [Line Items]    
Total notes payable, net $ 14,929 14,929
Interest Rate 2.25%  
Maturity Date Feb - 2018  
NSC Note [Member]    
Debt [Line Items]    
Total notes payable, net $ 3,608 3,608
Interest Rate 8.00%  
Maturity Date Sep - 2018  
Opus Credit Facility [Member]    
Debt [Line Items]    
Total notes payable, net $ 9,000 7,000
Interest Rate 12.00%  
Maturity Date Sep - 2018  
Helocyte Convertible Note One [Member]    
Debt [Line Items]    
Total notes payable, net $ 1,054 1,031
Maturity Date December 2017  
Helocyte Convertible Note One [Member] | Minimum [Member]    
Debt [Line Items]    
Interest Rate 5.00%  
Helocyte Convertible Note One [Member] | Maximum [Member]    
Debt [Line Items]    
Interest Rate 8.00%  
Avenue Convertible Note [Member]    
Debt [Line Items]    
Total notes payable, net $ 204 200
Maturity Date June - 2018  
Avenue Convertible Note [Member] | Minimum [Member]    
Debt [Line Items]    
Interest Rate 5.00%  
Avenue Convertible Note [Member] | Maximum [Member]    
Debt [Line Items]    
Interest Rate 8.00%  
Helocyte Convertible Note Two [Member]    
Debt [Line Items]    
Total notes payable, net $ 2,093 2,051
Maturity Date March - 2018  
Helocyte Convertible Note Two [Member] | Minimum [Member]    
Debt [Line Items]    
Interest Rate 5.00%  
Helocyte Convertible Note Two [Member] | Maximum [Member]    
Debt [Line Items]    
Interest Rate 8.00%  
Helocyte Convertible Note Three [Member]    
Debt [Line Items]    
Total notes payable, net $ 1,011 991
Maturity Date April - 2018  
Helocyte Convertible Note Three [Member] | Minimum [Member]    
Debt [Line Items]    
Interest Rate 5.00%  
Helocyte Convertible Note Three [Member] | Maximum [Member]    
Debt [Line Items]    
Interest Rate 8.00%  
2017 Subordinated Note Financing [Member]    
Debt [Line Items]    
Total notes payable, net $ 3,254 0
Interest Rate 8.00%  
Maturity Date March - 2020  
Helocyte Convertible Note four [Member]    
Debt [Line Items]    
Total notes payable, net $ 422 $ 414
Maturity Date May - 2018  
Helocyte Convertible Note four [Member] | Minimum [Member]    
Debt [Line Items]    
Interest Rate 5.00%  
Helocyte Convertible Note four [Member] | Maximum [Member]    
Debt [Line Items]    
Interest Rate 8.00%