Quarterly report pursuant to Section 13 or 15(d)

Liquidity (Narrative) (Details)

v3.5.0.2
Liquidity (Narrative) (Details) - USD ($)
1 Months Ended 9 Months Ended
Oct. 31, 2016
Oct. 07, 2016
Sep. 05, 2016
Jun. 22, 2016
Sep. 30, 2016
Sep. 30, 2016
Aug. 01, 2016
Jun. 28, 2016
Dec. 31, 2015
Sep. 30, 2015
May 15, 2015
Dec. 31, 2014
Liquidity [Line Items]                        
Cash         $ 810,425 $ 810,425     $ 7,166,260 $ 11,370,420   $ 5,479,006
Restricted cash in pledged collateral and court escrow accounts         3,501,247 3,501,247            
Notes payable         $ 62,200,000 $ 62,200,000            
Common stock, par value         $ 0.001 $ 0.001     $ 0.001      
Maximum [Member]                        
Liquidity [Line Items]                        
Warrants exercise price         3.04 3.04            
Minimum [Member]                        
Liquidity [Line Items]                        
Warrants exercise price         $ 0.01 $ 0.01            
Proposed Transaction [Member]                        
Liquidity [Line Items]                        
Proposed transaction description           The purchase price for the Proposed Transaction shall consist of (i) $80 million in cash payable at closing (reduced to the extent the amount of transferred Product inventory is less than $6 million), plus (ii) annual earn-out and milestone payments based upon the volume of Product sales. For the first three years, the earn-out payments shall be no less than $6.7 million per year. In no event will the entire purchase price, including all earn-out payments, exceed $310 million.            
Cardinal Health [Member] | Proposed Transaction [Member]                        
Liquidity [Line Items]                        
Cash receivable from divestiture of business     $ 80,000,000                  
Warrants grant period     5 years                  
Common stock, par value     $ 0.001                  
Warrants exercise price     $ 1.50                  
Cardinal Health [Member] | Proposed Transaction [Member] | Maximum [Member]                        
Liquidity [Line Items]                        
Product inventory transferred     $ 6,000,000                  
Annual earn-out receivables from divestiture of business     $ 6,700,000                  
Warrants to purchase shares of common stock     10,000,000                  
Cardinal Health [Member] | Proposed Transaction [Member] | Minimum [Member]                        
Liquidity [Line Items]                        
Earn-out receivables from divestiture of business     $ 310,000,000                  
Capital Royalty Partners II LP [Member]                        
Liquidity [Line Items]                        
Liquidity minimum         $ 5,000,000 $ 5,000,000         $ 5,000,000  
Minimum sales revenue target           $ 22,500,000            
Debt instrument default interest rate percentage         18.00% 18.00%            
Debt instrument, interest rate         14.00% 14.00%            
Claims made from primary bank accounts on default       $ 4,100,000                
Cash adjusted to various fees on default       3,900,000                
Cash adjusted to principal balance of debt on default       $ 189,000                
Amount required to maintain in pledged collateral account subject to account control agreement         $ 2,500,000              
Notes payable         51,700,000 $ 51,700,000            
Capital Royalty Partners II LP [Member] | Cardinal Health [Member]                        
Liquidity [Line Items]                        
Payments being placed in escrow with the court             $ 1,000,000 $ 1,000,000        
Capital Royalty Partners II LP [Member] | Subsequent Event [Member]                        
Liquidity [Line Items]                        
Additional amount required to maintain as per ATI in pledged collateral account $ 500,000                      
Maximum days to place additional amount in pledged collateral account 10 days                      
Quarterly interest payments   $ 1,300,000                    
Capital Royalty Partners II LP [Member] | Subsequent Event [Member] | Cardinal Health [Member]                        
Liquidity [Line Items]                        
Percentage of receivables due 100.00%                      
Additional amount deposited in pledged collateral account as bond $ 1,000,000                      
Amount transferred from collateral bond to pledged collateral account $ 1,000,000 $ 1,000,000                    
Platinum Credit Facility [Member]                        
Liquidity [Line Items]                        
Notes payable         9,300,000 9,300,000            
Remaining borrowing capacity         27,300,000 27,300,000            
Unused additional borrowing capacity         $ 15,000,000 $ 15,000,000