Combined Statements of Changes in Net Assets (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
SIT RISING RATE ETF
Net Assets at Beginning of Period	$ 6,218,812	$ 62,196,525	$ 11,920,149	$ 51,774,988
Increase (decrease) in Net Assets from share transactions
Addition of shares		12,510,953		24,297,005
Redemption of shares	(577,766)	(11,687,830)	(6,331,666)	(14,163,400)
Net Increase in Net Assets from share transactions	(577,766)	823,123	(6,331,666)	10,133,605
Increase in Net Assets from operations
Net investment income (loss)	14,545	182,560	36,500	301,309
Net realized gain (loss)	(306,211)	266,684	(252,728)	(456,707)
Change in net unrealized gain (loss)	391,106	(3,327,205)	368,231	(1,611,508)
Net Increase (decrease) in Net Assets from operations	99,440	(2,877,961)	152,003	(1,766,906)
Net Assets at End of Period	5,740,486	60,141,687	5,740,486	60,141,687
BREAKWAVE DRY BULK SHIPPING ETF
Net Assets at Beginning of Period	1,965,548	3,403,193	4,308,262	3,297,789
Increase (decrease) in Net Assets from share transactions
Addition of shares	1,151,130		1,151,130
Redemption of shares	(431,515)		(4,121,777)
Net Increase in Net Assets from share transactions	719,615		(2,970,647)
Increase in Net Assets from operations
Net investment income (loss)	(16,692)	(17,933)	(35,620)	(45,213)
Net realized gain (loss)	(243,845)	(737,508)	338,181	(434,239)
Change in net unrealized gain (loss)	(117,845)	137,005	666,605	(33,580)
Net Increase (decrease) in Net Assets from operations	(378,382)	(618,436)	969,166	(513,032)
Net Assets at End of Period	2,306,781	2,784,757	2,306,781	2,784,757
Net Assets at Beginning of Period	8,184,360	65,599,718	16,228,411	55,072,777
Addition of shares	1,151,130	12,510,953	1,151,130	24,297,005
Redemption of shares	(1,009,281)	(11,687,830)	(10,453,443)	(14,163,400)
Net Increase in Net Assets from share transactions	141,849	823,123	(9,302,313)	10,133,605
Net investment income (loss)	(2,147)	164,627	880	256,096
Net realized gain (loss)	(550,056)	(470,824)	85,453	(890,946)
Change in net unrealized gain (loss)	273,261	(3,190,200)	1,034,836	(1,645,088)
Net Increase (decrease) in Net Assets from operations	(278,942)	(3,496,397)	1,121,169	(2,279,938)
Net Assets at End of Period	$ 8,047,267	$ 62,926,444	$ 8,047,267	$ 62,926,444