Interim Financial Statements (Policies)	3 Months Ended
Mar. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Use of Estimates	Use of Estimates In preparing financial statements in conformity with generally accepted accounting principles, we are required to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and revenues and expenditures during the reported periods. Actual results could differ materially from those estimates. Estimates may include those pertaining to estimated useful lives and valuation of properties, plant, and equipment, assets held for sale, mineral rights, deferred tax assets, derivative assets and liabilities, reclamation liabilities, stock-based compensation and payments, and contingent liabilities.
Income Taxes	Income Taxes We recognize deferred tax assets and liabilities based on differences between the consolidated financial statement carrying amounts and tax basis of certain recorded assets and liabilities and for tax loss carryforwards. Realization of deferred tax assets is dependent upon our ability to generate sufficient future taxable earnings. Where it is more likely than not that the deferred tax asset will not be realized, we have provided a full valuation allowance. The Company has provided a full valuation allowance at March 31, 2019, and December 31, 2018, for its net deferred tax assets because we cannot conclude it is more likely than not that they will be realized.
Recently Issued Accounting Pronouncements	Recently Issued Accounting Pronouncements In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. Topic 842 affects any entity that enters into a lease, with some specified scope exceptions. For public business entities, the amendments in this update are effective for financial statements issued for annual periods beginning after December 15, 2018, and interim periods within those annual periods. The Company adopted this guidance on January 1, 2019, with no material impact on the Company’s condensed consolidated financial statements.

Interim Financial Statements (Policies)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

In preparing financial statements in conformity with generally accepted accounting principles, we are required to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and revenues and expenditures during the reported periods. Actual results could differ materially from those estimates. Estimates may include those pertaining to estimated useful lives and valuation of properties, plant, and equipment, assets held for sale, mineral rights, deferred tax assets, derivative assets and liabilities, reclamation liabilities, stock-based compensation and payments, and contingent liabilities.

Income Taxes

We recognize deferred tax assets and liabilities based on differences between the consolidated financial statement carrying amounts and tax basis of certain recorded assets and liabilities and for tax loss carryforwards. Realization of deferred tax assets is dependent upon our ability to generate sufficient future taxable earnings. Where it is more likely than not that the deferred tax asset will not be realized, we have provided a full valuation allowance. The Company has provided a full valuation allowance at March 31, 2019, and December 31, 2018, for its net deferred tax assets because we cannot conclude it is more likely than not that they will be realized.

Recently Issued Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. Topic 842 affects any entity that enters into a lease, with some specified scope exceptions. For public business entities, the amendments in this update are effective for financial statements issued for annual periods beginning after December 15, 2018, and interim periods within those annual periods. The Company adopted this guidance on January 1, 2019, with no material impact on the Company’s condensed consolidated financial statements.