Combined Statements of Assets and Liabilities - USD ($)	Jun. 30, 2018		Jun. 30, 2017
Assets
Investment in securities, at fair value	$ 52,447,372		$ 20,319,994
Cash	33,280
Interest receivable	5,249		712
Segregated cash held by broker	3,328,612		521,215
Receivable on futures contracts	81,680		21,795
Total assets	55,896,193		20,863,716
Liabilities
Options written, at fair value	70,664		3,477
Payable on open futures contracts	698,426
Due to Sponsor	51,137		25,260
Other accrued expenses	3,189
Total liabilities	823,416		28,737
Net Assets	55,072,777		20,834,979
SIT RISING RATE ETF [Member]
Assets
Investment in securities, at fair value	51,198,363		20,319,994
Cash
Interest receivable	807		712
Segregated cash held by broker	1,386,738		521,215
Receivable on futures contracts			21,795
Total assets	52,585,908		20,863,716
Liabilities
Options written, at fair value	70,664		3,477
Payable on open futures contracts	698,426
Due to Sponsor	41,830		25,260
Other accrued expenses
Total liabilities	810,920		28,737
Net Assets	$ 51,774,988		$ 20,834,979
Shares outstanding (unlimited authorized)	2,100,040		900,040
Net asset value per share	$ 24.65		$ 23.15
Market value per share	$ 24.66		$ 23.02
BREAKWAVE DRY BULK SHIPPING ETF [Member]
Assets
Investment in securities, at fair value	$ 1,249,009
Cash	33,280	[1]
Interest receivable	4,442
Segregated cash held by broker	1,941,874
Receivable on futures contracts	81,680
Total assets	3,310,285
Liabilities
Options written, at fair value
Payable on open futures contracts
Due to Sponsor	9,307
Other accrued expenses	3,189
Total liabilities	12,496
Net Assets	$ 3,297,789
Shares outstanding (unlimited authorized)	150,040
Net asset value per share	$ 21.98
Market value per share	$ 22.04

[1] Period from March 22, 2018 (commencement of investment operations) to June 30, 2018.