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v3.19.1

Summary of Significant Accounting Policies (Assets) (Details) | 12 Months Ended
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Dec. 31, 2018
Leasehold improvements [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 3 years
Mobile Equipment [Member] | Bottom of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 2 years
Mobile Equipment [Member] | Top of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 10 years
Other equipment [member] | Bottom of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 2 years
Other equipment [member] | Top of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 20 years
Processing Plant [Member] | Bottom of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 2 years
Processing Plant [Member] | Top of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 20 years
Vehicles [member] | Bottom of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 3 years
Vehicles [member] | Top of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 7 years
Buildings [member] | Bottom of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 7 years
Buildings [member] | Top of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 20 years
Office equipment [member] | Bottom of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 2 years
Office equipment [member] | Top of range [member] |
Disclosure of detailed information about property, plant and equipment [line items] |
Useful lives of property, plant and equipment | 8 years

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- Definition Useful Lives Or Depreciation Rates, Property, Plant And Equipment, Period + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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