XML 40 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2020
May 14, 2020
Document Information Line Items    
Entity Registrant Name IT TECH PACKAGING, INC.  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   28,454,816
Amendment Flag false  
Entity Central Index Key 0001358190  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Mar. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity File Number 001-34577  
Entity Address, State or Province NV  
Entity Interactive Data Current Yes