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Significant Accounting Policies - Summary of Estimated Useful Lives For Current and Comparative Period (Detail) | 12 Months Ended
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Dec. 31, 2020
Machinery and equipment [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 10
Annual depreciation rate | 10.00%
Office furniture and equipment [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 10
Annual depreciation rate | 10.00%
Computer equipment [Member] | Bottom of Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 3.3
Annual depreciation rate | 30.00%
Computer equipment [Member] | Top of Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 4
Annual depreciation rate | 25.00%
Transportation equipment [Member] | Bottom of Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 4
Annual depreciation rate | 25.00%
Transportation equipment [Member] | Top of Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 5
Annual depreciation rate | 20.00%
Communication equipment [Member] | Bottom of Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 3.3
Annual depreciation rate | 30.00%
Communication equipment [Member] | Top of Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 10
Annual depreciation rate | 10.00%
Communication equipment [Member] | Middle Range [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 4
Annual depreciation rate | 25.00%
Improvements on leased assets [Member] |
Disclosure of detailed information about property, plant and equipment [Line Items] |
Useful life (years) | 10
Annual depreciation rate | 10.00%

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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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- Definition Percentage of average annual depreciation rates for property plant and equipment. + References No definition available. + Details
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- Definition Useful lives or depreciation rates of property plant and equipment. + 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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- Details
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- Details
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