XML 155 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover
 12 Months Ended
Dec. 31, 2024
shares
Document Information Line Items  
Entity Registrant Name TANTECH HOLDINGS LTD
Entity Central Index Key 0001588084
Document Type 20-F
Amendment Flag false
Entity Voluntary Filers No
Current Fiscal Year End Date --12-31
Entity Well Known Seasoned Issuer No
Entity Shell Company false
Entity Emerging Growth Company false
Entity Current Reporting Status Yes
Document Period End Date Dec. 31, 2024
Entity Filer Category Non-accelerated Filer
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2024
Entity Common Stock Shares Outstanding 1,132,658
Document Annual Report true
Document Transition Report false
Entity File Number 001-36885
Entity Incorporation State Country Code D8
Entity Address Address Line 1 No. 10 Cen Shan Road
Entity Address Address Line 2 Shuige Industrial Zone
Entity Address City Or Town Lishui City
Entity Address Country CN
Entity Address Postal Zip Code 323000
Auditor Name YCM CPA INC.
Auditor Location Irvine, California
Auditor Firm Id 6781
Security 12b Title Common shares
Trading Symbol TANH
Security Exchange Name NASDAQ
Entity Interactive Data Current Yes
Document Shell Company Report false
Document Registration Statement false
Document Accounting Standard U.S. GAAP
Business Contact [Member]  
Document Information Line Items  
Entity Address Address Line 1 No. 10 Cen Shan Road
Entity Address Address Line 2 Shuige Industrial Zone
Entity Address City Or Town Lishui City
Entity Address Country CN
Entity Address Postal Zip Code 323000
City Area Code 86
Local Phone Number 578-226-2305
Phone Fax Number Description 86-578-226-2360
Contact Personnel Email Address tantech@tantech.cn
Contact Personnel Name Mr. Weilin Zhang