Note 3 - Summary of Significant Accounting Policies - Hashdex Bitcoin Futures ETF (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Brokerage Commissions Paid [Table Text Block]

	CORN		SOYB		CANE		WEAT		TAGS		DEFI		TRUST
Year Ending December 31, 2022	$	217,050	$	27,011	$	33,469	$	387,999	$	-	$	2,217	$	667,746
Year Ending December 31, 2021	$	141,674	$	29,889	$	21,123	$	47,448	$	-	$	-	$	240,134
Year Ending December 31, 2020	$	149,619	$	35,880	$	14,681	$	40,741	$	1	$	-	$	240,922

Schedule of Expenses Paid Waived by Sponsor [Table Text Block]

	CORN		SOYB		CANE		WEAT		TAGS		DEFI		Trust
Year Ended December 31, 2022	$	345,855	$	89,562	$	78,237	$	425,164	$	262,928	$	75,291	$	1,277,037
Year Ended December 31, 2021	$	1,060,261	$	576,014	$	134,294	$	307,565	$	105,722	$	-	$	2,183,856
Year Ended December 31, 2020	$	849,396	$	399,518	$	210,614	$	81,190	$	39,833	$	-	$	1,580,551

Hashdex Bitcoin Futures ETF [Member]

Notes Tables

Schedule of Brokerage Commissions Paid [Table Text Block]

	DEFI
Period Ended December 31, 2022	$	2,217

Schedule of Expenses Paid Waived by Sponsor [Table Text Block]

	DEFI
Period Ended December 31, 2022	$	75,291