Quarterly report pursuant to Section 13 or 15(d)

Prior Borrowing Arrangements and Restructuring Agreement (Detail)

v3.7.0.1
Prior Borrowing Arrangements and Restructuring Agreement (Detail) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2017
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Gains (Losses) on Extinguishment of Debt, Total $ 40,802,730 $ 40,802,730 $ 0 $ 40,802,730 $ 2,434,661
Elimination Of Senior Note [Member]          
Gains (Losses) on Extinguishment of Debt, Total       9,405,462  
Elimination of Senior Revenue Share [Member]          
Gains (Losses) on Extinguishment of Debt, Total       3,948,153  
Elimination of carrying value of Patents [Member]          
Gains (Losses) on Extinguishment of Debt, Total       (6,665,280)  
Elimination of Goodwill [Member]          
Gains (Losses) on Extinguishment of Debt, Total $ 8,858,504     (8,858,504)  
Establishment of Investment in INVT SPE [Member]          
Gains (Losses) on Extinguishment of Debt, Total       $ 42,962,899