For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Segment Reporting - Concentration Percentage (Details) - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Customer A \| Oblong (formerly Glowpoint) \| Revenue
Concentration Risk [Line Items]
Concentration risk, percentage	37.00%	23.00%	35.00%	23.00%
Customer A \| Oblong Industries \| Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage			17.00%	20.00%
Customer B \| Oblong Industries \| Revenue
Concentration Risk [Line Items]
Concentration risk, percentage	0.00%	20.00%	0.00%	27.00%
Customer B \| Oblong Industries \| Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage			0.00%	15.00%
Customer C \| Oblong Industries \| Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage			12.00%	0.00%
Customer D \| Oblong Industries \| Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage			11.00%	0.00%