Related Party Transactions (Details 3) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Related Party Transaction [Line Items]
Accretion of the June 2015 Loan discount		$ 625,631	$ 143,069	$ 1,232,053	$ 143,069
Interest expense related to the June 2015 Loan		1,013,346	229,167	2,007,383	229,167
Interest expense related to Komatsu Financial loans	[1]	153,917	31,148	320,252	44,558
Interest expense related to the convertible debentures		0	40,301	0	80,586
Amortization of the convertible debentures		0	842,681	0	1,590,551
Interest expense related to the December 2014 Loan		0	236,301	0	547,945
Accretion of the December 2014 Loan financing fees		0	430,427	0	967,155
Accretion of discount and interest on loan and convertible debentures		$ 1,792,894	$ 1,953,094	$ 3,559,688	$ 3,603,031

[1] Komatsu is not a related party and has only been included in the above table to reconcile the total interest expense incurred for the period to the amounts capitalized and expensed.