Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.6.0.2
Commitments and Contingencies - Additional Information (Detail)
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 15, 2016
Oct. 03, 2014
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2016
USD ($)
Jul. 31, 2016
USD ($)
a
Oct. 31, 2015
USD ($)
ft²
Apr. 30, 2013
USD ($)
ft²
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
ft²
Aug. 01, 2016
USD ($)
Operating Leased Assets [Line Items]                            
Land Subject to Ground Leases         2,295 6,100             8,700  
Operating Leases, Rent Expense   $ 2,700,000     $ 53,000 $ 200,000             $ 0.1  
Operating Leases, Rent Expense, Net, Total                 $ 1,800,000 $ 0.4 $ 0.3   $ 0.6  
Lease Expiration Period           5 years                
Professional Fees       $ 0.2                    
Ovamed GmbH [Member] | Settlement and Forbearance Agreement [Member]                            
Operating Leased Assets [Line Items]                            
Contractual Obligation                           $ 1,900,000
Payments for Legal Settlements               $ 1,100,000            
Settlement Liabilities, Current     $ 800,000 800,000       800,000            
Letter of Credit [Member]                            
Operating Leased Assets [Line Items]                            
Collateralized Agreements     0.4 $ 0.4       $ 0.4            
New York, NY office space [Member]                            
Operating Leased Assets [Line Items]                            
Operating Leases, Rent Expense                 0          
Lease Expiration Period   15 years                        
Opus Point Partners Management, LLC [Member]                            
Operating Leased Assets [Line Items]                            
Operating Leases, Rent Expense   $ 300,000                        
Percentage of Rentable Area   10.00%                        
Prepaid Rent                 $ 1.3          
TG Therapeutics, Inc [Member]                            
Operating Leased Assets [Line Items]                            
Operating Leases, Rent Expense   $ 1,100,000                        
Percentage of Rentable Area   45.00%                        
TSO Laboratories, Inc [Member]                            
Operating Leased Assets [Line Items]                            
Operating Leases, Rent Expense     0.2                      
Operating Leases, Income Statement, Sublease Revenue     $ 8,200                      
Lease Expiration Date                         Feb. 28, 2018  
City Of Hope [Member]                            
Operating Leased Assets [Line Items]                            
Loss Contingency Damages Awarded Percentage 15.00%                          
Lease Agreements [Member]                            
Operating Leased Assets [Line Items]                            
Land Subject to Ground Leases | ft²             1,500           8,700  
Operating Leases, Rent Expense             $ 0.1           $ 0.1  
Contracted Build Out Costs Associated With Lease                       $ 0.4