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Note 8 - Segment Reporting - Schedule of Segment Reporting Information by Segment (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenue |  | $ 611,000 |  | $ 956,000 |  | $ 1,237,000 | $ 1,994,000
Cost of revenues |  | 491,000 |  | 834,000 |  | 1,120,000 | 1,596,000
Gross profit |  | $ 120,000 |  | $ 122,000 |  | $ 117,000 | $ 398,000
Gross profit % |  | 20.00% |  | 13.00% |  | 9.00% | 20.00%
Operating expenses |  | $ 1,138,000 |  | $ 1,213,000 |  | $ 2,319,000 | $ 2,692,000
Operating income (loss) |  | (1,018,000) |  | (1,091,000) |  | (2,202,000) | (2,294,000)
Interest income, net |  | (44,000) |  | (42,000) |  | (92,000) | (64,000)
Income (loss) before income taxes |  | (974,000) |  | (1,049,000) |  | (2,110,000) | (2,230,000)
Income tax expense |  | 9,000 |  | 0 |  | 9,000 | 38,000
Net loss | $ (2,119,000) | (983,000) | $ (1,136,000) | (1,049,000) | $ (1,219,000) | (2,119,000) | (2,268,000)
Reportable Subsegments [Member] |  |  |  |  |  |  |
Operating expenses |  | 153,000 |  | (373,000) |  | 305,000 | (87,000)
Intersubsegment Eliminations [Member] |  |  |  |  |  |  |
Operating expenses |  | 985,000 |  | 1,586,000 |  | 2,014,000 | 2,779,000
Managed Services [Member] |  |  |  |  |  |  |
Revenue |  | 508,000 |  | 640,000 |  | 1,030,000 | 1,330,000
Operating Segments [Member] | Managed Services [Member] |  |  |  |  |  |  |
Revenue |  | 508,000 |  | 640,000 |  | 1,030,000 | 1,330,000
Cost of revenues |  | 331,000 |  | 430,000 |  | 700,000 | 890,000
Gross profit |  | $ 177,000 |  | $ 210,000 |  | $ 330,000 | $ 440,000
Gross profit % |  | 35.00% |  | 33.00% |  | 32.00% | 33.00%
Operating expenses |  | $ 31,000 |  | $ 3,000 |  | $ 62,000 | $ 3,000
Operating income (loss) |  | 146,000 |  | 207,000 |  | 268,000 | 437,000
Interest income, net |  | (35,000) |  | (37,000) |  | (67,000) | (34,000)
Income (loss) before income taxes |  | 181,000 |  | 244,000 |  | 335,000 | 471,000
Income tax expense |  | 6,000 |  | 0 |  | 6,000 | 7,000
Net loss |  | 175,000 |  | 244,000 |  | 329,000 | 464,000
Operating Segments [Member] | Managed Services [Member] | Reportable Subsegments [Member] |  |  |  |  |  |  |
Operating expenses |  | 31,000 |  | 3,000 |  | 62,000 | 3,000
Operating Segments [Member] | Managed Services [Member] | Intersubsegment Eliminations [Member] |  |  |  |  |  |  |
Operating expenses |  | 0 |  | 0 |  | 0 | 0
Operating Segments [Member] | Collaboration Products [Member] |  |  |  |  |  |  |
Revenue |  | 103,000 |  | 316,000 |  | 207,000 | 664,000
Cost of revenues |  | 160,000 |  | 404,000 |  | 420,000 | 706,000
Gross profit |  | $ (57,000) |  | $ (88,000) |  | $ (213,000) | $ (42,000)
Gross profit % |  | (55.00%) |  | (28.00%) |  | (103.00%) | (6.00%)
Operating expenses |  | $ 122,000 |  | $ (376,000) |  | $ 243,000 | $ (90,000)
Operating income (loss) |  | (179,000) |  | 288,000 |  | (456,000) | 48,000
Interest income, net |  | (9,000) |  | (5,000) |  | (25,000) | (30,000)
Income (loss) before income taxes |  | (170,000) |  | 293,000 |  | (431,000) | 78,000
Income tax expense |  | 3,000 |  | 0 |  | 3,000 | 31,000
Net loss |  | (173,000) |  | 293,000 |  | (434,000) | 47,000
Operating Segments [Member] | Collaboration Products [Member] | Reportable Subsegments [Member] |  |  |  |  |  |  |
Operating expenses |  | 122,000 |  | (376,000) |  | 243,000 | (90,000)
Operating Segments [Member] | Collaboration Products [Member] | Intersubsegment Eliminations [Member] |  |  |  |  |  |  |
Operating expenses |  | 0 |  | 0 |  | 0 | 0
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |  |  |  |
Revenue |  | 0 |  | 0 |  | 0 | 0
Cost of revenues |  | 0 |  | 0 |  | 0 | 0
Gross profit |  | $ 0 |  | $ 0 |  | $ 0 | $ 0
Gross profit % |  |  |  |  |  |  |
Operating expenses |  | $ 985,000 |  | $ 1,586,000 |  | $ 2,014,000 | $ 2,779,000
Operating income (loss) |  | (985,000) |  | (1,586,000) |  | (2,014,000) | (2,779,000)
Interest income, net |  | 0 |  | 0 |  | 0 | 0
Income (loss) before income taxes |  | (985,000) |  | (1,586,000) |  | (2,014,000) | (2,779,000)
Income tax expense |  | 0 |  | 0 |  | 0 | 0
Net loss |  | (985,000) |  | (1,586,000) |  | (2,014,000) | (2,779,000)
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Reportable Subsegments [Member] |  |  |  |  |  |  |
Operating expenses |  | 0 |  | 0 |  | 0 | 0
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Intersubsegment Eliminations [Member] |  |  |  |  |  |  |
Operating expenses |  | $ 985,000 |  | $ 1,586,000 |  | $ 2,014,000 | $ 2,779,000

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