Schedule of Long-term restricted cash and bond reserves (Details)
9 Months Ended
Sep. 30, 2016
USD ($)
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 1 $ 1,468,898
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 2 1,468,898
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 3 1,021,395
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 4 708,300
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 5 792,052
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 6 314,590
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 7 1,807,890
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 8 0
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 9 3,796
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 10 0
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 11 270,000
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 12 270,000
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 13 2,413,771
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 14 2,542,058
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 15 4,508,314
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 16 4,507,110
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 17 5,175,391
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 18 4,966,543
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 19 2,522,024
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 20 2,718,290
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 21 19,983,531
Restricted Cash And Security Bond Reserves Schedule Of Long-term Restricted Cash And Bond Reserves 22 $ 17,495,789