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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
 12 Months Ended
Jan. 04, 2018
Dec. 31, 2021
USD ($)
$ / item
Significant Accounting Policies    
Fee paid by Authorized Purchasers for each order placed to create one or more Creation Baskets or to redeem one or more baskets   1,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | $   $ 0
Stockholders' Equity, Reverse Stock Split 0.25  
Redemption Baskets [Member]    
Significant Accounting Policies    
Number of units per basket   100,000