Cover - shares	6 Months Ended
	Jun. 30, 2021	Oct. 12, 2021
Cover [Abstract]
Entity Registrant Name	DAIS CORPORATION
Entity Central Index Key	0001125699
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Jun. 30, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		9,415,425
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-53554
Entity Incorporation State Country Code	NY
Entity Tax Identification Number	14-1760865
Entity Address Address Line 1	11552 Prosperous Drive
Entity Address City Or Town	Odessa
Entity Address State Or Province	FL
Entity Address Postal Zip Code	33556
City Area Code	727
Local Phone Number	375-8484
Entity Interactive Data Current	Yes