Segment Reporting - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 626	$ 1,038
Product Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue	$ 626	$ 1,038
Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (in percent)	100.00%	100.00%
Managed Services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue	$ 522	$ 690
Managed Services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (in percent)	83.00%	66.00%
Managed Services | Video collaboration services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue	$ 14	$ 64
Managed Services | Video collaboration services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (in percent)	2.00%	6.00%
Managed Services | Network services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue	$ 503	$ 618
Managed Services | Network services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (in percent)	80.00%	60.00%
Managed Services | Professional and other services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue	$ 5	$ 8
Managed Services | Professional and other services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (in percent)	1.00%	1.00%
Collaboration Products | Video collaboration services | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue	$ 104	$ 348
Collaboration Products | Video collaboration services | Revenue | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (in percent)	17.00%	34.00%
Domestic
Disaggregation of Revenue [Line Items]
Revenue	$ 261	$ 563
Foreign
Disaggregation of Revenue [Line Items]
Revenue	$ 365	$ 475