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Note 7 - Segment Reporting - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Revenue |  | $ 622 | $ 626 |
Bad debt (recovery) expense |  | (18) | 0 |
Segment profit |  | 249 | (3) |
Interest income |  | 26 | 48 |
Loss before income tax expense | [1] | (665) | (1,136) |
Operating Segments [Member] | Managed Services [Member] |  |  |  |
Revenue |  | 508 | 522 |
Labor and labor-related (1) | [2] | 68 | 32 |
Bad debt (recovery) expense |  | 0 |  |
Other segment items (2) | [3] | 1 | 0 |
Segment profit |  | $ 136 | $ 152 |
Segment profit margin % |  | 27.00% | 29.00% |
Operating Segments [Member] | Managed Services [Member] | Video Collaboration Service [Member] |  |  |  |
Revenue |  | $ 6 | $ 14 |
Operating Segments [Member] | Managed Services [Member] | Network Services [Member] |  |  |  |
Revenue |  | 500 | 503 |
Operating Segments [Member] | Managed Services [Member] | Professional and Other Services [Member] |  |  |  |
Revenue |  | 2 | 5 |
Operating Segments [Member] | Managed Services [Member] | Circuit and Network [Member] |  |  |  |
Cost of Revenue |  | 303 | 338 |
Operating Segments [Member] | Managed Services [Member] | Property and Office Expense [Member] |  |  |  |
Cost of Revenue | [3] |  | 0 |
Operating Segments [Member] | Managed Services [Member] | Inventory and Inventory-related [Member] |  |  |  |
Cost of Revenue |  |  | 0 |
Operating Segments [Member] | Managed Services [Member] | Other Non-inventory [Member] |  |  |  |
Cost of Revenue |  |  | 0 |
Operating Segments [Member] | Collaboration Products [Member] |  |  |  |
Revenue |  | 114 | 104 |
Labor and labor-related (1) | [2] | 6 | 217 |
Bad debt (recovery) expense |  | (18) |  |
Other segment items (2) | [3] | 5 | 4 |
Segment profit |  | $ 121 | $ (261) |
Segment profit margin % |  | 106.00% | (251.00%) |
Operating Segments [Member] | Collaboration Products [Member] | Video Collaboration Service [Member] |  |  |  |
Revenue |  | $ 114 | $ 104 |
Operating Segments [Member] | Collaboration Products [Member] | Network Services [Member] |  |  |  |
Revenue |  | 0 | 0 |
Operating Segments [Member] | Collaboration Products [Member] | Professional and Other Services [Member] |  |  |  |
Revenue |  | 0 | 0 |
Operating Segments [Member] | Collaboration Products [Member] | Circuit and Network [Member] |  |  |  |
Cost of Revenue |  | 0 | 0 |
Operating Segments [Member] | Collaboration Products [Member] | Property and Office Expense [Member] |  |  |  |
Cost of Revenue | [3] |  | 28 |
Operating Segments [Member] | Collaboration Products [Member] | Inventory and Inventory-related [Member] |  |  |  |
Cost of Revenue |  |  | 109 |
Operating Segments [Member] | Collaboration Products [Member] | Other Non-inventory [Member] |  |  |  |
Cost of Revenue |  |  | 7 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |
Revenue |  | 622 | 626 |
Labor and labor-related (1) | [2] | 74 | 249 |
Bad debt (recovery) expense |  | (18) |  |
Other segment items (2) | [3] | 6 | 4 |
Segment profit |  | $ 257 | $ (109) |
Segment profit margin % |  |  |  |
Corporate expenses (3) | [4] | $ 949 | $ 1,031 |
Interest income |  | (27) | (35) | [4]
Loss before income tax expense |  | (665) | (1,136) | [4]
Stock compensation | [4] |  | 31 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Video Collaboration Service [Member] |  |  |  |
Revenue |  | 120 | 118 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Network Services [Member] |  |  |  |
Revenue |  | 500 | 503 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Professional and Other Services [Member] |  |  |  |
Revenue |  | 2 | 5 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Circuit and Network [Member] |  |  |  |
Cost of Revenue |  | $ 303 | 338 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Property and Office Expense [Member] |  |  |  |
Cost of Revenue | [3] |  | 28 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Inventory and Inventory-related [Member] |  |  |  |
Cost of Revenue |  |  | 109 |
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Other Non-inventory [Member] |  |  |  |
Cost of Revenue |  |  | $ 7 |
[1] | Other income (expense) for our segments includes interest expense and non-operating income. Corporate other income includes interest income on our cash and cash equivalents.
[2] | Includes direct labor costs (including sales and marketing costs), employment taxes, employee benefits, worker's compensation, and office expenses.
[3] | Other segment items include other income and expenses, net, interest expense, certain professional services, and miscellaneous taxes and fees.
[4] | Represents general and administrative costs, less the amounts allocated to the segments for labor and benefits, general liability insurance, professional services, property taxes, and interest income.

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