Segment Reporting - Schedule of Disaggregation of Revenue (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Disaggregation of Revenue [Line Items]
Foreign revenue	0.01
Total revenue	$ 3,810	$ 5,476
Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 3,810	$ 5,476
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	$ 2,518	$ 3,348
Managed Services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	66.10%	61.10%
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	$ 183	$ 334
Managed Services | Video collaboration services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	4.80%	6.10%
Managed Services | Network services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,301	$ 2,954
Managed Services | Network services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	60.40%	53.90%
Managed Services | Professional and other services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 34	$ 60
Managed Services | Professional and other services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	0.90%	1.10%
Collaboration Products | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,292	$ 2,128
Collaboration Products | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	33.90%	38.90%
Collaboration Products | Video collaboration services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,291	$ 2,114
Collaboration Products | Video collaboration services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	33.90%	38.60%
Collaboration Products | Licensing | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Total revenue	$ 1	$ 14
Collaboration Products | Licensing | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue	0.00%	0.30%
Domestic
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,843	$ 2,781
Foreign
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,967	$ 2,695