Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Gross Carrying Amount	$ 13,774	$ 13,774
Accumulated Amortization	(4,231)	(3,634)
Net Carrying Amount	9,543	10,140
Oblong (formerly Glowpoint) | Affiliate network
Business Acquisition [Line Items]
Gross Carrying Amount	994	994
Accumulated Amortization	(752)	(735)
Net Carrying Amount	$ 242	259
Estimated Useful Life	12 years
Oblong Industries
Business Acquisition [Line Items]
Gross Carrying Amount	$ 12,780	12,780
Accumulated Amortization	(3,479)	(2,899)
Net Carrying Amount	9,301	9,881
Oblong Industries | Developed technology
Business Acquisition [Line Items]
Gross Carrying Amount	10,060	10,060
Accumulated Amortization	(3,024)	(2,520)
Net Carrying Amount	$ 7,036	7,540
Estimated Useful Life	5 years
Oblong Industries | Trade names
Business Acquisition [Line Items]
Gross Carrying Amount	$ 2,410	2,410
Accumulated Amortization	(362)	(302)
Net Carrying Amount	$ 2,048	2,108
Estimated Useful Life	10 years
Oblong Industries | Distributor relationships
Business Acquisition [Line Items]
Gross Carrying Amount	$ 310	310
Accumulated Amortization	(93)	(77)
Net Carrying Amount	$ 217	$ 233
Estimated Useful Life	5 years