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Schedule of Segment Reporting Information (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers |  | $ 13,617,000 | $ 20,107,000
Intercompany revenues |  |  |
Gross profit |  | (620,000) | 3,009,000
Research and development |  | 296,000 | 99,000
Interest income |  | 174,000 | 127,000
Interest expense |  | (116,000) | (53,000)
Interest expense-financing fees |  | (13,000) | (20,000)
Depreciation and amortization |  | 431,000 | 747,000
Segment income (loss) before income taxes |  | (4,414,000) | (522,000)
Income tax benefit |  | (956,000) | (204,000)
Segment income (loss) |  | (3,458,000) | (318,000)
Expenditures for segment assets | [1] | 244,000 | 748,000
Treatment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers |  | 8,709,000 | 9,594,000
Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers |  | 4,908,000 | 10,513,000
Operating Segments [Member] | Treatment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers |  | 8,709,000 | 9,594,000
Intercompany revenues |  | 45,000 | 204,000
Gross profit |  | (52,000) | 1,252,000
Research and development |  | 218,000 | 67,000
Interest income |  |  |
Interest expense |  | (36,000) | (22,000)
Interest expense-financing fees |  |  |
Depreciation and amortization |  | 366,000 | 573,000
Segment income (loss) before income taxes |  | (1,371,000) | 157,000
Income tax benefit |  | (525,000) | (174,000)
Segment income (loss) |  | (846,000) | 331,000
Expenditures for segment assets |  | 160,000 | 748,000
Operating Segments [Member] | Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers |  | 4,908,000 | 10,513,000
Intercompany revenues |  | 16,000 | 19,000
Gross profit |  | (568,000) | 1,757,000
Research and development |  | 28,000 | 3,000
Interest income |  |  |
Interest expense |  |  | (1,000)
Interest expense-financing fees |  |  |
Depreciation and amortization |  | 44,000 | 160,000
Segment income (loss) before income taxes |  | (1,388,000) | 943,000
Income tax benefit |  | (431,000) | (30,000)
Segment income (loss) |  | (957,000) | 973,000
Expenditures for segment assets |  | 84,000 |
Operating Segments [Member] | Segments Total [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers |  | 13,617,000 | 20,107,000
Intercompany revenues |  | 61,000 | 223,000
Gross profit |  | (620,000) | 3,009,000
Research and development |  | 246,000 | 70,000
Interest income |  |  |
Interest expense |  | (36,000) | (23,000)
Interest expense-financing fees |  |  |
Depreciation and amortization |  | 410,000 | 733,000
Segment income (loss) before income taxes |  | (2,759,000) | 1,100,000
Income tax benefit |  | (956,000) | (204,000)
Segment income (loss) |  | (1,803,000) | 1,304,000
Expenditures for segment assets |  | 244,000 | 748,000
Intersegment Eliminations [Member] | Corporate Segment and Other Operating Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from external customers | [2] |  |
Intercompany revenues | [2] |  |
Gross profit | [2] |  |
Research and development | [2] | 50,000 | 29,000
Interest income | [2] | 174,000 | 127,000
Interest expense | [2] | (80,000) | (30,000)
Interest expense-financing fees | [2] | (13,000) | (20,000)
Depreciation and amortization | [2] | 21,000 | 14,000
Segment income (loss) before income taxes | [2] | (1,655,000) | (1,622,000)
Income tax benefit | [2] |  |
Segment income (loss) | [2] | (1,655,000) | (1,622,000)
Expenditures for segment assets | [2] |  |
[1] | Net of financed amount of $44,000 and $50,000 for the three months ended March 31, 2024, and 2023, respectively.
[2] | Amounts reflect the activity for corporate headquarters not included in the segment information.

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