Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Gross Carrying Amount	$ 18,657	$ 18,657
Accumulated Amortization	(7,920)	(6,085)
Net Carrying Amount	10,737	12,572
Glowpoint
Business Acquisition [Line Items]
Gross Carrying Amount	5,877	5,877
Accumulated Amortization	(5,601)	(5,505)
Net Carrying Amount	276	372
Glowpoint | Customer Relationships
Business Acquisition [Line Items]
Gross Carrying Amount	4,335	4,335
Accumulated Amortization	(4,335)	(4,335)
Net Carrying Amount	0	0
Glowpoint | Affiliate network
Business Acquisition [Line Items]
Gross Carrying Amount	994	994
Accumulated Amortization	(718)	(666)
Net Carrying Amount	$ 276	328
Estimated Useful Life	12 years
Glowpoint | Trademarks
Business Acquisition [Line Items]
Gross Carrying Amount	$ 548	548
Accumulated Amortization	(548)	(504)
Net Carrying Amount	$ 0	44
Estimated Useful Life	8 years
Oblong Industries
Business Acquisition [Line Items]
Gross Carrying Amount	$ 12,780	12,780
Accumulated Amortization	(2,319)	(580)
Net Carrying Amount	10,461	12,200
Oblong Industries | Customer Relationships
Business Acquisition [Line Items]
Gross Carrying Amount	310	310
Accumulated Amortization	(62)	(16)
Net Carrying Amount	$ 248	294
Estimated Useful Life	5 years
Oblong Industries | Developed technology
Business Acquisition [Line Items]
Gross Carrying Amount	$ 10,060	10,060
Accumulated Amortization	(2,016)	(504)
Net Carrying Amount	$ 8,044	9,556
Estimated Useful Life	5 years
Oblong Industries | Trade names
Business Acquisition [Line Items]
Gross Carrying Amount	$ 2,410	2,410
Accumulated Amortization	(241)	(60)
Net Carrying Amount	$ 2,169	$ 2,350
Estimated Useful Life	10 years