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Investments (Details Narrative) - USD ($) |  |  |  |  |  |  |  |  |  | 1 Months Ended | 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 | Feb. 28, 2022 | Sep. 30, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2021 | Jun. 18, 2021 | Oct. 31, 2017
Warrants percentage |  |  |  |  |  |  |  |  |  |  |  | 7.00% |  |  |  |  |
Unrealized Gain (Loss) on Investments |  |  |  |  |  |  |  |  |  |  |  | $ 2,927,000 |  |  | $ 1,544,000 |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25% |
Investments |  |  |  |  |  |  |  |  |  |  |  | 4,698,000 |  | $ 4,341,000 | 4,341,000 |  |
Gain (Loss) on Investments |  |  |  |  |  |  |  |  |  |  |  | 424,000 | $ (1,077,000) |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  |  |  |  | 1,858,000 | 61,068,000 |  |  |  |
Investments equity method |  |  |  |  |  |  |  |  |  |  |  | $ 1,193,000 |  | 1,080,000 | 1,080,000 |  |
Shares Issued, Price Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.15
Vivacitas Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  |  |  |  |  | 16.00% |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Security Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  |  |  |  |  | Sep. 09, 2024 |  |  |  |  |  |
Investments equity method |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |  |  |  |
Convertible Notes Payable |  |  |  |  |  |  |  |  |  |  | 1,400,000 |  |  |  |  |  |
[custom:OriginationFee] |  |  |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |
Security Purchase Agreement [Member] | GTNW [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized Gain (Loss) on Investments |  |  |  |  |  |  |  |  |  |  |  | $ 357,000,000,000 |  |  | 3,700,000,000,000 |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  | 154,173 |  |  |  |  |  |
Membership Unit Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  |  |  |  | 30.75% |  |  |  |  |  |
Stock Issued During Period, Value, Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,537,000 |  |  |
Impairment of investment |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  |  |  |  | $ 98,000 | $ 436,000 |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  | 44,619,423 |  | 4,881,000 | 21,834,000 |  |  |  |
BMI Capital International LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  | 24.90% |  |  |  |  |  |  |  |  |
Investments equity method |  |  |  |  |  |  |  |  |  |  |  | $ 49,000 |  |  |  |  |
Impact Oncology PTE Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase additional shares |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  | $ 2,480,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Sentinel Brokers Company Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments |  | $ 750,000 |  |  |  |  |  |  |  |  | $ 1,050,000 |  |  |  |  |  |
Equity method investment, ownership percentage |  | 24.90% |  |  |  |  |  |  |  |  |  | 24.90% |  |  |  |  |
Outstanding membership interest |  | 50.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding remaining membership interest |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional membership interest |  | 50.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.25% |
Minimum [Member] | BMI Capital International LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |
Alset International Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Owned, Balance, Shares |  |  |  |  |  |  |  |  |  |  |  | 127,179,311 |  |  |  |  |
Singapore eDevelopment Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Marketable Securities |  |  |  |  |  |  |  |  |  |  |  | $ 4,604,000 |  | $ 4,909,000 | 4,909,000 |  |
Unrealized Gain (Loss) on Investments |  |  |  |  |  |  |  |  |  |  |  | 305,000 | $ 967,000 |  |  |  |
Century TBD Holdings, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  |  |  | Oct. 09, 2021 |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 537,000 |  |
Century TBD Holdings, LLC [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger |  |  |  |  |  |  |  |  | 19.80% |  |  |  |  |  |  |  |
West Park Capital Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger |  |  |  |  |  | 7.50% |  |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |  |  |  |
Gain (Loss) on Investments |  |  |  |  |  |  |  |  |  |  |  | $ 370 |  |  |  |  |
DSS Securities, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  | 14.90% |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |
Outstanding membership interest |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |
Acquistion description |  |  |  |  |  |  |  |  |  |  |  | On or about August 28, 2020, the Company’s wholly owned subsidiary, DSS Securities, Inc. entered into a corporate venture to form and operate a real estate title agency, under the name of Alset Title Company, Inc, a Texas corporation (“ATC”). DSS Securities, Inc. shall own 70% of this venture with the other two shareholders being attorneys necessary to the state application and permitting process. ATC have initiated or have pending applications to do business in a number of states, including Texas, Tennessee, Connecticut, Florida, and Illinois. For the purpose of organization and the state application process, the Company’s CEO, who is a licensed attorney, has a stated non-compensated 15% ownership interest in the venture. There was minimal activity for the three months ended March 31, 2022 |  |  |  |  |
BioMed Technologies Asia Pacific Holdings Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  | 4.99% |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  | $ 632,000 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  | 525 |  |  |  |  |  |  |  |  |  |
Vivacitas Oncology Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase additional shares |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share |  |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |
Additional price per share |  |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |
Sale of Stock, Description of Transaction |  |  | 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 |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share |  |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |
Impact Oncology PTE Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Owned, Balance, Shares |  |  |  | 2,480,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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