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Convertible Debentures - Summary of Detailed Information about Convertible Debentures, Valuation Assumptions (Detail)	12 Months Ended
	Dec. 31, 2018 CAD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
2016 Debentures [member]
Convertible debentures [line items]
Volatility	38.00%	39.00%
Expected life in years	3.56 years	4.56 years
Risk free interest rate	2.58%	2.23%
Expected dividend yield	0.00%	0.00%
Credit spread	25.79%	25.35%
Underlying share price of the Company	$ 2.41	$ 3.21
Conversion exercise price			$ 2.3261	$ 2.3261
Exchange rate (C$:US$)	0.7330	0.7971	0.7330	0.7971
2017 Debentures [member]
Convertible debentures [line items]
Volatility	38.00%	39.00%
Expected life in years	3.56 years	4.56 years
Risk free interest rate	2.58%	2.23%
Expected dividend yield	0.00%	0.00%
Credit spread	25.79%	25.35%
Underlying share price of the Company	$ 2.41	$ 3.21
Conversion exercise price			$ 2.6919	$ 2.6919
Exchange rate (C$:US$)	0.7330	0.7971	0.7330	0.7971

X

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-IssueDate 2018-01-01
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X

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X

- Definition

Historical volatility for shares used as a significant Level 3 unobservable input for liabilities. [Refer: Level 3 of fair value hierarchy [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 13
-IssueDate 2018-01-01
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X

- Definition

Convertible debentures.

+ References

No definition available.

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- Definition

Convertible debt conversion price.

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X

- Definition

Description of credit spread on borrowings.

+ References

No definition available.

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X

- Definition

Risk free interest rate.

+ References

No definition available.

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- Definition

Expected dividend as percentage borrowings.

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- Definition

Underlying share price.

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