Annual report pursuant to Section 13 and 15(d)

Debt and Interest - Long-term debt (Detail)

v3.6.0.2
Debt and Interest - Long-term debt (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jul. 31, 2016
Dec. 31, 2015
Debt [Line Items]      
Total notes payable, long-term $ 30,224   $ 24,009
Less: Discount of notes payable 2,009   835
Total notes payable, long-term, net $ 22,528   23,174
Interest Rate 39.00%    
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 $ 3,608   10,000
Less: Discount of notes payable   $ 600  
Interest Rate 8.00%    
Maturity Date Sep - 2018    
Opus Credit Facility [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 7,000   0
Interest Rate 12.00%    
Maturity Date Sep - 2018    
Helocyte Convertible Note One [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 1,031   0
Maturity Date Dec - 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%    
Debt Instrument Due [Member] | Minimum [Member]      
Debt [Line Items]      
Interest Rate 5.00%    
Debt Instrument Due [Member] | Maximum [Member]      
Debt [Line Items]      
Interest Rate 8.00%    
Avenue Convertible Note [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 200   0
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, long-term $ 2,051   0
Maturity Date March - 2018    
Helocyte Convertible Note Three [Member]      
Debt [Line Items]      
Total notes payable, long-term $ 1,405   $ 0
Maturity Date May - 2018