Document and Entity Information	12 Months Ended
	Dec. 31, 2020 USD ($) shares
Cover [Abstract]
Entity Registrant Name	Hannover House, Inc.
Entity Central Index Key	0001069680
Document Type	10-K
Document Period End Date	Dec. 31, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Season Issuer	No
Entity Voluntary Filer	No
Entity Current Reporting Status	No
Entity Interactive Data Current	No
Entity Filer Category	Non-accelerated Filer
Entity Small Business Flag	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float | $	$ 13,302,878
Entity Common Stock, Shares Outstanding | shares	733,642,844
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2020