Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses (Details) - USD ($)	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Make-whole liability	$ 0	$ 384,873
Accrued interest expense	0		$ 264,268
Accrued Northern Comstock LLC payments (Note 20)	67,708		180,833
Accrued payroll costs	121,476		165,543
Accrued Board of Directors fees	75,000		120,000
Accrued vendor liabilities	126,041		309,515
Other accrued expenses	59,646		139,930
Total accrued expenses and other liabilities	449,871		1,855,431
Mercury Clean Up LLC
Related Party Transaction [Line Items]
Make-whole liability	0		452,740
Member of Pelen, LLC
Related Party Transaction [Line Items]
Make-whole liability	$ 0		$ 222,602