Quarterly report pursuant to Section 13 or 15(d)

DOCUMENT AND ENTITY INFORMATION

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DOCUMENT AND ENTITY INFORMATION
3 Months Ended
Mar. 31, 2012
Apr. 30, 2012
Entity Registrant Name LIXTE BIOTECHNOLOGY HOLDINGS, INC.  
Entity Central Index Key 0001335105  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Trading Symbol lixt  
Entity Common Stock, Shares Outstanding   35,359,142
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2012  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2012