Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Intangible assets, gross	$ 18,657	$ 18,657
Accumulated amortization	(6,696)	(6,085)
Total	11,961	12,572
Glowpoint
Business Acquisition [Line Items]
Intangible assets, gross	5,877	5,877
Accumulated amortization	(5,537)	(5,505)
Total	340	372
Glowpoint | Customer/Distributer relationships
Business Acquisition [Line Items]
Intangible assets, gross	4,335	4,335
Accumulated amortization	(4,335)	(4,335)
Total	0	0
Glowpoint | Affiliate network
Business Acquisition [Line Items]
Intangible assets, gross	994	994
Accumulated amortization	(683)	(666)
Total	$ 311	328
Estimated Useful Life	12 years
Glowpoint | Trademarks
Business Acquisition [Line Items]
Intangible assets, gross	$ 548	548
Accumulated amortization	(519)	(504)
Total	$ 29	44
Estimated Useful Life	8 years
Oblong Industries
Business Acquisition [Line Items]
Intangible assets, gross	$ 12,780	12,780
Accumulated amortization	(1,159)	(580)
Total	11,621	12,200
Oblong Industries | Customer/Distributer relationships
Business Acquisition [Line Items]
Intangible assets, gross	310	310
Accumulated amortization	(31)	(16)
Total	$ 279	294
Estimated Useful Life	5 years
Oblong Industries | Developed technology
Business Acquisition [Line Items]
Intangible assets, gross	$ 10,060	10,060
Accumulated amortization	(1,008)	(504)
Total	$ 9,052	9,556
Estimated Useful Life	5 years
Oblong Industries | Trade names
Business Acquisition [Line Items]
Intangible assets, gross	$ 2,410	2,410
Accumulated amortization	(120)	(60)
Total	$ 2,290	$ 2,350
Estimated Useful Life	10 years