Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Narrative) (Details)

v3.5.0.2
Commitments and Contingencies (Narrative) (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 22, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Aug. 01, 2016
Jun. 28, 2016
May 31, 2016
Apr. 07, 2016
Loss Contingencies [Line Items]                    
Lymphoseek sales revenue   $ 4,231,719 $ 1,963,548 $ 8,014,399 $ 3,798,970 $ 10,300,000        
Cardinal Health [Member]                    
Loss Contingencies [Line Items]                    
Percentage of receivables due from customers               50.00%    
Remaining percentage of receivables due from customers held in escrow account               50.00%    
Cardinal Health [Member] | Subsequent Event [Member]                    
Loss Contingencies [Line Items]                    
Percentage of receivables due from customers             75.00%      
Remaining percentage of receivables due from customers held in escrow account             25.00%      
Percentage of receivables due from customers after reaching escrow account limit             100.00%      
Cardinal Health [Member] | Subsequent Event [Member] | Maximum [Member]                    
Loss Contingencies [Line Items]                    
Escrow account threshold target amount             $ 1,000,000      
Capital Royalty Partners II LP [Member]                    
Loss Contingencies [Line Items]                    
Debt instrument default interest rate percentage   18.00%   18.00%           18.00%
Minimum sales revenue target       $ 22,500,000   11,000,000        
Reduced minimum sales revenue target in 2015           $ 10,000,000        
Obligations under loan agreement due and payable                 $ 56,157,240.69  
Claims made from primary bank accounts on default $ 4,100,000                  
Cash adjusted to collection of collateral, on claims of default 778,000     778,000            
Cash adjusted to prepayment premium, on claims of default 2,100,000     $ 2,100,000            
Cash adjusted to backend facility fee, on claims of default 1,000,000                  
Cash adjusted to principal balance of debt on default $ 189,000