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Note 25 - Fair Value of Financial Instruments - Schedule of Fair Value Measurement Inputs Level 3 (Details) - EUR (€)
€ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

March 2012 Investor Warrants [member]

Balance

€ 640

Warrants forfeited (see note 21)(1) .

^[1]

(489)

Warrants exercises (see note 21) (1)

^[1]

(136)

FV adjustments (see note 21) (1)

^[1]

USD/EUR exchange impact(2)

^[2]

(16)

Balance

March 2012 Placement Agent Warrants [Member]

Balance

328

1,118

Warrants forfeited (see note 21)(1) .

^[1]

Warrants exercises (see note 21) (1)

^[1]

FV adjustments (see note 21) (1)

^[1]

(345)

(656)

USD/EUR exchange impact(2)

^[2]

17

(135)

Balance

328

May 2013 Investor Warrants [Member]

Balance

512

2,162

Warrants forfeited (see note 21)(1) .

^[1]

Warrants exercises (see note 21) (1)

^[1]

FV adjustments (see note 21) (1)

^[1]

(544)

(1,388)

USD/EUR exchange impact(2)

^[2]

32

(262)

Balance

512

May 2013 Placement Agent Warrants [Member]

Balance

840

3,921

Warrants forfeited (see note 21)(1) .

^[1]

(489)

Warrants exercises (see note 21) (1)

^[1]

(136)

FV adjustments (see note 21) (1)

^[1]

(889)

(2,044)

USD/EUR exchange impact(2)

^[2]

49

(412)

Balance

€ 840

[1]	Reported in the Consolidated Statement of Income in line "Financial (expenses) income net"
[2]	Reported in the Consolidated Statement of Income in line "Foreign currency exchange gain (loss), net"

X

- Definition

Amount of forfeiture of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

+ Details

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Namespace Prefix:	edap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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Period Type:	duration

X

- Definition

Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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X

- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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X

- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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X

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X

- Details

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X

- Details

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