Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Narrative (Details)

v3.8.0.1
Related Party Transactions - Narrative (Details) - Zylera
1 Months Ended
Dec. 18, 2015
USD ($)
unit
Jan. 01, 2014
Dec. 31, 2017
USD ($)
Nov. 30, 2017
USD ($)
unit
$ / unit
Lachlan Pharmaceuticals | Ulesfia Supply Agreement        
Related Party Transaction [Line Items]        
Minimum quantity required | unit 20,000      
Long-term purchase commitment $ 1,117,700      
Minimum royalty $ 3,000,000      
Lachlan Pharmaceuticals | Ulesfia Supply Agreement | Affiliated Entity        
Related Party Transaction [Line Items]        
Minimum quantity required | unit       20,000
Long-term purchase commitment       $ 1,177,000
Minimum royalty       $ 3,000,000
Management and handling fee (in dollars per unit) | $ / unit       3.66
Management and handling fee annual price increase       10.00%
Payments for purchases     $ 0  
Contract cancellation notice period   30 days    
COO and Director | Affiliated Entity        
Related Party Transaction [Line Items]        
Noncontrolling interest ownership percentage by Noncontrolling Owners       5.00%