v3.26.3
Cover
6 Months Ended
Jun. 30, 2026
Entity Addresses [Line Items]  
Document Type 6-K
Document Period End Date Jun. 30, 2026
Securities Act File Number 001-39115
Entity Registrant Name WISEKEY INTERNATIONAL HOLDING LTD
Document Fiscal Period Focus Q2
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --12-31
Entity Central Index Key 0001738699
Amendment Flag false