v3.25.2
Note 8 - Segment Reporting - Schedule of Segment Reporting Information by Segment (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Revenue $ 592,000   $ 611,000   $ 1,214,000 $ 1,237,000
Revenue, Percent of Change (3.00%)       (2.00%)  
Cost of revenues $ 364,000   $ 491,000   $ 737,000 $ 1,120,000
Cost of revenues, Percent of Change (26.00%)       (34.00%)  
Gross Margin 228.00%   120.00%   477.00% 117.00%
Gross Margin, Percent of Change (90.00%)       (308.00%)  
Operating expenses $ 911,000   $ 1,138,000   $ 1,851,000 $ 2,319,000
Operating expenses, Percent of Change (20.00%)       (20.00%)  
Other income (expense), net [1] $ 78,000   44,000   $ 104,000 92,000
Other income (expense), Percent of Change [1] 77.00%       13.00%  
Crypto Asset, Unrealized Gain, Nonoperating $ 31,000   0   $ 31,000 0
Interest income, net $ 47,000   44,000   $ 74,000 78,000
Interest income, net 7.00%       (5.00%)  
Net loss before taxes [1] $ (605,000)   (974,000)   $ (1,270,000) (2,110,000)
Net loss before taxes, Percent of Change [1] (38.00%)       (40.00%)  
Income tax expense $ 0   9,000   $ 7,000 9,000
Income tax expense, Percent of Change [1] 100.00%       100.00%  
Net Income (Loss) Attributable to Parent $ (605,000) $ (672,000) (983,000) $ (1,136,000) $ (1,277,000) (2,119,000)
Net loss, Percent of Change [1] (38.00%)       (40.00%)  
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]            
Revenue $ 590,000   611,000   $ 1,212,000 1,237,000
Operating expenses [2] $ 903,000   1,016,000   $ 1,851,000 2,093,000
Operating expenses, Percent of Change [2] (11.00%)       (12.00%)  
Crypto Asset, Unrealized Gain, Nonoperating $ (31,000)       $ (31,000)  
Interest income, net (47,000)   (44,000) [3]   (74,000) (79,000) [3]
Net loss before taxes (605,000)   (974,000) [3]   (1,270,000) (2,110,000) [3]
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Digital Assets [Member]            
Revenue $ 2,000   0   $ 2,000 0
Revenue, Percent of Change 100.00%       100.00%  
Cost of revenues $ 0   $ 0   $ 0 $ 0
Cost of revenues, Percent of Change 0.00%       0.00%  
Gross Margin 2.00%   0.00%   2.00% 0.00%
Gross Margin, Percent of Change 100.00%       100.00%  
Crypto Asset, Unrealized Gain, Nonoperating $ 31,000   $ 0   $ 31 $ 0
Unrealized gain on digital assets 100.00%       100.00%  
Managed Services [Member] | Operating Segments [Member]            
Revenue $ 497,000   508,000   $ 1,005,000 1,030,000
Revenue, Percent of Change (2.00%)       (2.00%)  
Cost of revenues $ 360,000   $ 331,000   $ 731,000 $ 700,000
Cost of revenues, Percent of Change 9.00%       4.00%  
Gross Margin 137.00%   177.00%   274.00% 330.00%
Gross Margin, Percent of Change (23.00%)       (17.00%)  
Operating expenses [4],[5] $ 0   $ 0   $ 0 $ 0
Operating expenses, Percent of Change [4] 0.00%       0.00%  
Other income (expense), net [1] $ 0   0   $ (1,000) 0
Other income (expense), Percent of Change [1] 0.00%       (100.00%)  
Collaboration Products [Member] | Operating Segments [Member]            
Revenue $ 93,000   103,000   $ 207,000 207,000
Revenue, Percent of Change (10.00%)       0.00%  
Cost of revenues $ 4,000   $ 160,000   $ 6,000 $ 420,000
Cost of revenues, Percent of Change (98.00%)       (99.00%)  
Gross Margin 89.00%   (57.00%)   201.00% (213.00%)
Gross Margin, Percent of Change 256.00%       194.00%  
Operating expenses [6] $ 8,000   $ 122,000   $ 0 $ 226,000
Operating expenses, Percent of Change [6] (93.00%)       (100.00%)  
Other income (expense), net [1] $ 0   $ 0   $ 0 $ 14,000
Other income (expense), Percent of Change [1] 0.00%       100.00%  
[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] Corporate operating expenses include costs that are not specific to a particular segment but are general to the group. These include expenses for administrative, information technology, and accounting staff, general liability and other insurance, professional fees, and similar corporate expenses.
[3] 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.
[4] There were no operating expenses related to our Managed Service segment during the three months ended June 30, 2025, or 2024.
[5] There were no operating expenses related to our Managed Service segment during the three months ended March 31, 2025 or 2024.
[6] Operating expenses related to our Collaboration Products Segment include research and development, sales and marketing, and other miscellaneous expenses. In 2025, operating expenses also included a bad debt recovery of $18,000.