Segment Reporting (Details) $ in Thousands		3 Months Ended				6 Months Ended
	Oct. 01, 2019 segment	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	1					2
Revenue		$ 2,816		$ 2,439		$ 8,144	$ 5,033
Cost of revenues		1,683		1,644		4,072	3,319
Gross profit		$ 1,133		795		$ 4,072	1,714
Gross profit %		40.00%				50.00%
Total operating expenses		$ 4,433		1,669		$ 10,359	3,186
Loss from operations		(3,300)		(874)		(6,287)	(1,472)
Interest and other expense, net		85		1		227	1
Net loss		(3,385)	$ (3,129)	(875)	$ (598)	(6,514)	(1,473)
Glowpoint
Segment Reporting Information [Line Items]
Revenue		1,373		2,439		3,417	5,033
Cost of revenues		898				2,055
Gross profit		$ 475				$ 1,362
Gross profit %		35.00%				40.00%
Total operating expenses		$ 1,063				$ 2,212
Loss from operations		(588)				(850)
Interest and other expense, net		7				7
Net loss		(595)				(857)
Oblong Industries
Segment Reporting Information [Line Items]
Revenue		1,443		$ 0		4,727	$ 0
Cost of revenues		785				2,017
Gross profit		$ 658				$ 2,710
Gross profit %		46.00%				57.00%
Total operating expenses		$ 2,574				$ 5,985
Loss from operations		(1,916)				(3,275)
Interest and other expense, net		78				220
Net loss		(1,994)				(3,495)
Allocated operating expenses
Segment Reporting Information [Line Items]
Total operating expenses		3,637				8,197
Allocated operating expenses | Glowpoint
Segment Reporting Information [Line Items]
Total operating expenses		1,063				2,212
Allocated operating expenses | Oblong Industries
Segment Reporting Information [Line Items]
Total operating expenses		2,574				5,985
Unallocated operating expenses
Segment Reporting Information [Line Items]
Total operating expenses		796				2,162
Unallocated operating expenses | Glowpoint
Segment Reporting Information [Line Items]
Total operating expenses		0				0
Unallocated operating expenses | Oblong Industries
Segment Reporting Information [Line Items]
Total operating expenses		$ 0				$ 0