XML 100 R82.htm IDEA: XBRL DOCUMENT v3.20.1

Financial risk management objectives and policies - Concentration of credit risk (Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure of credit risk exposure [line items]
Revenue	$ 15,623	$ 17,354	$ 13,852
Percentage of entity's revenue	100.00%	100.00%	100.00%
A
Disclosure of credit risk exposure [line items]
Revenue	$ 3,476	$ 3,679	$ 1,404
Percentage of entity's revenue	22.00%	21.00%	10.00%
B
Disclosure of credit risk exposure [line items]
Revenue	$ 0	$ 2,873	$ 0
Percentage of entity's revenue	0.00%	17.00%	0.00%
C
Disclosure of credit risk exposure [line items]
Revenue	$ 0	$ 0	$ 1,849
Percentage of entity's revenue	0.00%	0.00%	13.00%
D
Disclosure of credit risk exposure [line items]
Revenue	$ 0	$ 0	$ 1,459
Percentage of entity's revenue	0.00%	0.00%	11.00%
Other
Disclosure of credit risk exposure [line items]
Revenue	$ 12,147	$ 10,802	$ 9,140
Percentage of entity's revenue	78.00%	62.00%	66.00%

X

- 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

Name:	ifrs-full_DisclosureOfCreditRiskExposureLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of the entity's revenue. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 8
-IssueDate 2019-01-01
-Paragraph 34
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2019-en-r&anchor=para_34&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of revenue arising from the rendering of services. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_RevenueFromRenderingOfServices
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	ifrs-full_CounterpartiesAxis=glbs_MajorChartererMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=glbs_MajorChartererBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=glbs_MajorChartererCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=glbs_MajorChartererDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=glbs_OtherMajorCharterersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: