v3.26.1
Document And Entity Information
3 Months Ended
Mar. 31, 2026
shares
Document Information [Line Items]  
Entity Central Index Key 0001495584
Entity Registrant Name Firsthand Technology Value Fund, Inc.
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Period Focus Q1
Document Fiscal Year Focus 2026
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Mar. 31, 2026
Document Transition Report false
Entity File Number 333-168195
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 27-3008946
Entity Address, Address Line One 150 Almaden Boulevard, Suite 1250
Entity Address, City or Town San Jose
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95113
City Area Code 408
Local Phone Number 886-7096
Title of 12(b) Security Common
Trading Symbol SVVC
Entity Current Reporting Status Yes
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company true
Entity Shell Company false
Entity Common Stock, Shares Outstanding 6,892,540
Entity Ex Transition Period false