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