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General & Administrative Expenses, Stock compensation expense (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) shares $ / shares	Dec. 31, 2019 USD ($) shares $ / shares	Dec. 31, 2018 USD ($) shares $ / shares
General & Administrative Expenses [Abstract]
Expense recognized from stock compensation | $	$ 4,792	$ 2,532	$ 2,458
Stock compensation expense [Abstract]
Contractual life for outstanding stock compensation series	9 months
Vesting value $4.25 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares	$ 4.25
Number of shares vested (in shares) | shares	125,649
Vesting value $3.56 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares	$ 3.56
Number of shares vested (in shares) | shares	207,786
Vesting value $8.22 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares	$ 8.22
Number of shares vested (in shares) | shares	32,445
Vesting value $4.61 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares		$ 4.61
Number of shares vested (in shares) | shares		281,094
Vesting value $3.92 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares		$ 3.92
Number of shares vested (in shares) | shares		80,101
Vesting value $2.30 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares		$ 2.30
Number of shares vested (in shares) | shares		212,823
Vesting value $3.04 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares		$ 3.04
Number of shares vested (in shares) | shares		206,118
Vesting value $4.60 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares	$ 4.60	$ 4.60
Number of shares vested (in shares) | shares	235,650	10,435
Vesting value $3.38 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares			$ 3.38
Number of shares vested (in shares) | shares			891,136
Vesting value $3.50 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares			$ 3.50
Number of shares vested (in shares) | shares			264,000
Vesting value $4.30 [Member]
Stock compensation expense [Abstract]
Fair value of shares vested (in dollars per share) | $ / shares			$ 4.30
Number of shares vested (in shares) | shares			20,000

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- Definition

The number of share options vested in a share-based payment arrangement.

+ References

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- Definition

The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 51
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The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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