Cover - shares	3 Months Ended
	Mar. 31, 2022	May 05, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	000-55802
Entity Registrant Name	VISION HYDROGEN CORPORATION
Entity Central Index Key	0001676580
Entity Tax Identification Number	47-4823945
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	95 Christopher Columbus Drive
Entity Address, Address Line Two	16th Floor
Entity Address, City or Town	Jersey City
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07302
City Area Code	(551)
Local Phone Number	298-3600
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		21,316,958