Note 5 - Fair Value Measurements (Details Textual)	Dec. 31, 2022
Measurement Input, Discount Rate [Member]
Indefinite Lived Intangible Assets, Measurement Input	0.200
Measurement Input, Tax Rate [Member]
Indefinite Lived Intangible Assets, Measurement Input	0.300

Value of input used to measure indefinite lived intangible assets.

No definition available.

Name:	wint_IndefiniteLivedIntangibleAssetsMeasurementInput
Namespace Prefix:	wint_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant