Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2017	May 12, 2017
Document And Entity Information
Entity Registrant Name	hopTo Inc.
Entity Central Index Key	0001021435
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		9,804,400
Trading Symbol	HPTO
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2017