Quarterly report pursuant to Section 13 or 15(d)

Joint Venture Agreement - Additional Information (Details)

v3.7.0.1
Joint Venture Agreement - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended 50 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
May 31, 2013
Schedule of Equity Method Investments [Line Items]            
Joint venture net loss     $ 19,000 $ 27,000    
Research and development            
Schedule of Equity Method Investments [Line Items]            
Joint venture net loss $ 7,000 $ 15,000 19,000 $ 27,000    
Equity Method Investee            
Schedule of Equity Method Investments [Line Items]            
Due from related parties, current 10,000   10,000   $ 10,000  
Joint Venture Agreement            
Schedule of Equity Method Investments [Line Items]            
Percentage of outstanding membership interests in joint venture           50.00%
Investment in joint venture         2,000,000  
Fair value of capital contribution in joint venture $ 6,000,000   $ 6,000,000   $ 6,000,000  
Joint Venture Agreement | Maximum            
Schedule of Equity Method Investments [Line Items]            
Required payments to acquire interest in joint venture           $ 6,000,000