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Note 32 - Related Party Transactions (Details Textual) - Dec. 31, 2019 | USD ($) | EUR (€) | JPY (¥)
--- | --- | --- | ---
Operating Lease, Liability, Total |  | € 2,684,000 |
EDAP Technomed Co Ltd. [Member] | JAPAN | Loans Payable [Member] |  |  |
Debt Instrument, Face Amount | ¥ |  |  | ¥ 80,000,000
EDAP Technomed Sdn Bdh [Member] | Malaysia 1 [Member] | Loans Payable [Member] |  |  |
Debt Instrument, Face Amount |  | € 65,464.85 |
President [Member] | EDAP Technomed Inc. [Member] | Car Lease Required Personal Warranty [Member] |  |  |
Operating Lease, Liability, Total | $ | $ 28,756.44 |  |

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