Document and Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	May 11, 2020	Jun. 30, 2019
Document and Entity Information
Entity Registrant Name	OBLONG, INC.
Entity Central Index Key	0000746210
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Smaller Reporting Company	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		5,211,500
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 5,057