Segment Reporting - Disaggregation of Revenue (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Disaggregation of Revenue [Line Items]
Foreign revenue	0.01
Total revenue	$ 5,476	$ 7,739
Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 5,476	$ 7,739
Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	100.00%	100.00%
Managed Services \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 3,348	$ 4,270
Managed Services \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	61.10%	55.20%
Managed Services \| Assets \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	100.00%	100.00%
Managed Services \| Video collaboration services \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 334	$ 854
Managed Services \| Video collaboration services \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	6.10%	11.00%
Managed Services \| Network services \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,954	$ 3,347
Managed Services \| Network services \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	53.90%	43.30%
Managed Services \| Professional and other services \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 60	$ 69
Managed Services \| Professional and other services \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	1.10%	0.90%
Collaboration Products \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,128	$ 3,469
Collaboration Products \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	38.90%	44.80%
Collaboration Products \| Video collaboration services \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,114	$ 3,367
Collaboration Products \| Video collaboration services \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	38.60%	43.50%
Collaboration Products \| Licensing \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 14	$ 102
Collaboration Products \| Licensing \| Revenue \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	0.30%	1.30%
Domestic
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,781	$ 4,614
Foreign
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,695	$ 3,125

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.

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