Combined Statements of Assets and Liabilities (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2021	Jun. 30, 2020
BREAKWAVE DRY BULK SHIPPING ETF
Securities, at fair value	$ 10,298,204	$ 7,986,862
Options written, premiums received		0
SIT RISING RATE ETF
Securities, at fair value		4,883,666
Options written, premiums received		$ 3,204

Sum of the carrying amounts as of the balance sheet date of all investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(h))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Name:	us-gaap_Investments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant