Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest - Long-term debt (Detail)

v3.8.0.1
Debt and Interest - Long-term debt (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Debt [Line Items]    
Total notes payable $ 67,445 $ 30,224
Less: Discount of notes payable 3,827 2,009
Total notes payable, net 63,618 28,215
IDB Note [Member]    
Debt [Line Items]    
Total notes payable $ 14,929 14,929
Interest Rate 2.25%  
Maturity Date Feb - 2018  
NSC Note [Member]    
Debt [Line Items]    
Total notes payable $ 0 3,608
Interest Rate 8.00%  
Maturity Date Sep - 2018  
2017 Subordinated Note Financing One [Member]    
Debt [Line Items]    
Total notes payable $ 3,254 0
Interest Rate 8.00%  
Maturity Date March - 2020  
2017 Subordinated Note Financing Two [Member]    
Debt [Line Items]    
Total notes payable $ 13,893 0
Interest Rate 8.00%  
Maturity Date May - 2020  
2017 Subordinated Note Financing Three [Member]    
Debt [Line Items]    
Total notes payable $ 1,820 0
Interest Rate 8.00%  
Maturity Date June - 2020  
2017 Subordinated Note Financing Four [Member]    
Debt [Line Items]    
Total notes payable $ 3,017 0
Interest Rate 8.00%  
Maturity Date August - 2020  
2017 Subordinated Note Financing Five [Member]    
Debt [Line Items]    
Total notes payable $ 6,371 0
Interest Rate 8.00%  
Maturity Date September - 2020  
Helocyte Convertible Note four [Member]    
Debt [Line Items]    
Total notes payable $ 436 414
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%  
Avenue Convertible Note [Member]    
Debt [Line Items]    
Total notes payable $ 0 200
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%  
Opus Credit Facility [Member]    
Debt [Line Items]    
Total notes payable $ 9,500 7,000
Interest Rate 12.00%  
Maturity Date Sep - 2018  
Helocyte Convertible Note One [Member]    
Debt [Line Items]    
Total notes payable $ 1,084 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%  
Helocyte Convertible Note Two [Member]    
Debt [Line Items]    
Total notes payable $ 2,164 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%  
Caelum Convertible Note one [Member]    
Debt [Line Items]    
Total notes payable $ 1,004 0
Interest Rate 8.00%  
Maturity Date January - 2019  
Caelum Convertible Note Two [Member]    
Debt [Line Items]    
Total notes payable $ 6,810 0
Interest Rate 8.00%  
Maturity Date February -2019  
Caelum Convertible Note one Three [Member]    
Debt [Line Items]    
Total notes payable $ 2,114 0
Interest Rate 8.00%  
Maturity Date June - 2019  
Helocyte Convertible Note Three [Member]    
Debt [Line Items]    
Total notes payable $ 1,049 $ 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%