Segment Reporting - Concentration Percentage (Details)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%
Glowpoint | Revenue
Concentration Risk [Line Items]
Concentration risk percentage	38.38%	100.00%
Oblong Industries | Revenue
Concentration Risk [Line Items]
Concentration risk percentage	62.00%	0.00%
Customer A | Glowpoint | Revenue
Concentration Risk [Line Items]
Concentration risk percentage	11.00%	21.00%
Customer A | Glowpoint | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk percentage		11.00%
Customer B | Glowpoint | Revenue
Concentration Risk [Line Items]
Concentration risk percentage		28.00%
Customer B | Glowpoint | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk percentage		48.00%
Customer C | Glowpoint | Revenue
Concentration Risk [Line Items]
Concentration risk percentage		10.00%
Customer D | Glowpoint | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk percentage		15.00%
Customer D | Oblong Industries | Revenue
Concentration Risk [Line Items]
Concentration risk percentage	22.00%	0.00%
Customer E | Oblong Industries | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk percentage	42.00%	0.00%
Customer F | Oblong Industries | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk percentage	11.00%	0.00%