Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2022	Apr. 10, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K/A
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-37725
Entity Registrant Name	ViewRay, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	42-1777485
Entity Address, Address Line One	1099 18th Street Suite 3000
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80202
City Area Code	440
Local Phone Number	703-3210
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	VRAY
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 463,514,537
Entity Common Stock, Shares Outstanding		183,389,623
Entity Central Index Key	0001597313
Amendment Flag	true
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022