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Investments (Details Narrative) - USD ($) |  |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 22, 2021 | May 13, 2021 | Apr. 02, 2021 | Mar. 18, 2021 | Mar. 15, 2021 | Dec. 30, 2020 | Dec. 19, 2020 | Sep. 10, 2020 | Oct. 10, 2019 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Mar. 31, 2022 | Jun. 18, 2021
Unrealized gain loss on investments |  |  |  |  |  |  |  |  |  |  |  | $ (7,386,000) |  | $ 1,544,000 |  |
Debt interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25%
Investments |  |  |  |  |  |  |  |  |  | $ 1,370,000 |  | 1,370,000 |  | 4,341,000 |  |
Gain (loss) on investments |  |  |  |  |  |  |  |  |  | (14,302,000) | $ (2,996,000) | (10,479,000) | $ (10,894,000) |  |  |
New shares Issued |  |  |  |  |  |  |  |  |  |  |  | 17,405,000 | 121,781,000 |  |  |
Investments equity method |  |  |  |  |  |  |  |  |  | 1,326,000 |  | 1,326,000 |  | 1,080,000 |  |
Loss before tax |  |  |  |  |  |  |  |  |  | (24,801,000) | (8,299,000) | (39,161,000) | (25,777,000) |  |  |
Vivacitas Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, options, exercises in period | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, value, stock options exercised | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued | 120,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment cost |  |  |  |  |  |  |  |  |  | 4,100,000 |  | 4,100,000 |  | 4,035,000 |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares Issued |  |  |  |  |  |  |  |  |  |  |  | $ 858,000 | $ 1,347,000 |  |  |
Number of shares of common stock |  |  |  |  |  |  |  |  |  |  |  | 42,924,000 | 67,340,000 |  |  |
BMI Capital International LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares Issued |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |
Investments equity method |  |  |  |  |  |  |  |  |  | 10,000 |  | $ 10,000 |  |  |  |
Oncology PTELtd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase additional shares |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  | $ 2,480,000 |  |  |  |  |  |  |  |  |  |  |  |
Sentinel Brokers Company Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments |  | $ 750,000 |  |  |  |  |  |  |  |  | $ 1,050,000 |  | $ 1,050,000 |  |  |
Outstanding membership interest |  | 50.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding membership interest |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional membership interest |  | 50.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income loss |  |  |  |  |  |  |  |  |  |  |  | 143,000 |  |  |  |
Stemtech Corporation [Member] | Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  |  |  | 10.00% |  | 10.00% |  |  |
Investments |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  | $ 1,400,000 |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |
Shares issued |  |  |  |  |  |  |  |  |  |  |  |  | 154,173 |  |  |
Convertible promissory note |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  | $ 1,400,000 |  |  |
Origination fee |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 |  |  |
Loss before tax |  |  |  |  |  |  |  |  |  | $ 8,600,000 |  | $ 3,700,000 |  |  |  |
Onwership Increment [Member] | BMI Capital International LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  | 24.90% |  |  |  |  |  |  |  |
BioMed Technologies Asia Pacific Holdings Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  | 4.99% |  |  |  |  |  |  |  |  |
New shares Issued |  |  |  |  |  |  | $ 632,000 |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  |  |  | 525 |  |  |  |  |  |  |  |  |
Common Shares [Member] | Vivacitas Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  |  |  | 16.00% |  | 16.00% |  |  |  |
Purchase Agreement [Member] | Sentinel Brokers Company Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  | 24.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Equity [Member] | Sentinel Brokers Company Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  |  |  | 24.90% |  | 24.90% |  |  |  |
Membership Unit Purchase Agreement [Member] | Moji Life L L C [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  |  |  |  | 30.75% |  | 30.75% |  |  |
Convertible promissory note |  |  |  |  |  |  |  |  |  |  | $ 1,537,000 |  | $ 1,537,000 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25%
Minimum [Member] | Onwership Increment [Member] | BMI Capital International LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  | 20.00% |  |  |  |  |  |  |  |
Alset International Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Owners shares |  |  |  |  |  |  |  |  |  | 127,179,311 |  | 127,179,311 |  |  |  |
Outstanding share percentage |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |
Marketable securities |  |  |  |  |  |  |  |  |  | $ 3,370,000 |  | $ 3,370,000 |  | 4,909,000 |  |
Unrealized gain loss on investments |  |  |  |  |  |  |  |  |  |  |  | 1,539,000 | $ 967,000 |  |  |
Century TBD Holdings, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  | Oct. 09, 2021 |  |  |  |  |  |  |
Debt instrument, periodic payment |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 537,000 |  |
Century TBD Holdings, LLC [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |
Convertible, threshold percentage |  |  |  |  |  |  |  |  | 19.80% |  |  |  |  |  |  |
West Park Capital Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible, threshold percentage |  |  |  |  |  | 7.50% |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 |
Gain (loss) on investments |  |  |  |  |  |  |  |  |  |  |  | $ 37,000 |  |  |  |
DSS Securities, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares Issued |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |
Outstanding membership interest |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |
DSS Securities, Inc. [Member] | Onwership Increment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  | 14.90% |  |  |  |  |  |  |  |
Vivacitas Oncology Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |
Options to purchase additional shares |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |
Issued price per share |  |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |
Additional price per share |  |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  | $ 120,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, description |  |  | the Company entered into an additional stock purchase agreement with Vivacitas (“Vivacitas Agreement #2”), whereas Vivacities wished to employ the service of the Chief Business Officer of Impact Biomedical, and in return for the services of this individual, Vivacitas shall issue to the Company, the aggregate purchase price for the Class A Common Shares of Vivacitas at the value of $1.00 per share shall be $120,000 to be paid in twelve (12) equal monthly installments for the period between April 1, 2021 and March 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Vivacitas Oncology Inc [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase additional shares |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |
Oncology PTELtd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Owners shares |  |  |  | 2,480,000 |  |  |  |  |  |  |  |  |  |  |  |

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