Segment Reporting (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 01, 2019 segment	Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)	Sep. 30, 2019 segment	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	1	2		1
Revenue		$ 5,328	$ 2,594
Cost of revenue (exclusive of depreciation and amortization)		2,374	1,675
Gross profit		$ 2,954	919
Gross profit %		55.00%
Total operating expenses		$ 5,931	1,517
Loss from operations		(2,977)	(598)
Interest and other (income) expense, net		152	0
Net loss		(3,129)	(598)
Total assets		31,953			$ 34,909
Glowpoint
Segment Reporting Information [Line Items]
Revenue		2,045	2,594
Cost of revenue (exclusive of depreciation and amortization)		1,156
Gross profit		$ 889
Gross profit %		43.00%
Total operating expenses		$ 1,290
Loss from operations		(401)
Interest and other (income) expense, net		0
Net loss		(401)
Total assets		3,743
Oblong Industries
Segment Reporting Information [Line Items]
Revenue		3,283	0
Cost of revenue (exclusive of depreciation and amortization)		1,218
Gross profit		$ 2,065
Gross profit %		63.00%
Total operating expenses		$ 2,073
Loss from operations		(8)
Interest and other (income) expense, net		0
Net loss		(8)
Total assets		28,210
Allocated operating expenses
Segment Reporting Information [Line Items]
Total operating expenses		3,363
Allocated operating expenses | Glowpoint
Segment Reporting Information [Line Items]
Total operating expenses		1,290
Allocated operating expenses | Oblong Industries
Segment Reporting Information [Line Items]
Total operating expenses		2,073
Unallocated operating expenses
Segment Reporting Information [Line Items]
Total operating expenses		2,568
Unallocated operating expenses | Glowpoint
Segment Reporting Information [Line Items]
Total operating expenses		0
Unallocated operating expenses | Oblong Industries
Segment Reporting Information [Line Items]
Total operating expenses		0
Domestic
Segment Reporting Information [Line Items]
Revenue		3,602	1,796
Foreign
Segment Reporting Information [Line Items]
Revenue		$ 1,726	$ 798