Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest - Schedule of Interest Expenses for Debt Arrangements (Detail)

v3.10.0.1
Debt and Interest - Schedule of Interest Expenses for Debt Arrangements (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Debt [Line Items]        
Total Interest Expense and Financing Fee $ 2,228 $ 3,220 $ 6,455 $ 5,298
LOC Fees [Member]        
Debt [Line Items]        
Interest 7 7 23 22
Interest and Debt Expense 7 7 23 22
IDB Note [Member]        
Debt [Line Items]        
Interest 85 85 254 254
Interest and Debt Expense 85 85 254 254
NSC Debt [Member]        
Debt [Line Items]        
Interest 0 (8) 0 147
Amortization of fees 0 127 0 200
Interest and Debt Expense 0 119 0 347
2017 Subordinated Note Financing [Member]        
Debt [Line Items]        
Interest 1,060 755 3,157 1,161
Amortization of fees 28 208 79 383
Interest and Debt Expense 1,088 963 3,236 1,544
Opus Credit Facility [Member]        
Debt [Line Items]        
Interest 288 287 853 798
Amortization of fees 105 282 525 733
Interest and Debt Expense 393 569 1,378 1,531
2018 Venture Notes [Member]        
Debt [Line Items]        
Interest 438 0 923 0
Amortization of fees 10 0 20 0
Interest and Debt Expense 448 0 943 0
Helocyte Convertible Note [Member]        
Debt [Line Items]        
Interest 6 64 93 175
Financing fee 0 0 0 1
Interest and Debt Expense 6 64 93 176
Avenue Convertible Note [Member]        
Debt [Line Items]        
Interest 0 0 0 5
Financing fee 0 0 0 3
Interest and Debt Expense 0 0 0 8
Caelum Convertible Note [Member]        
Debt [Line Items]        
Interest 198 68 589 68
Financing fee   1,317   1,317
Interest and Debt Expense 198 1,385 589 1,385
Falk CSR [Member]        
Debt [Line Items]        
Interest 0 26 (64) 26
Interest and Debt Expense 0 26 (64) 26
D&O Insurance [Member]        
Debt [Line Items]        
Interest 3 2 3 5
Interest and Debt Expense $ 3 $ 2 $ 3 $ 5