Segment Reporting (Details 1) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total assets	$ 19,755,837	$ 20,599,003
Shipping Agency and Management Services [Member]
Segment Reporting Information [Line Items]
Total assets	3,184,159	3,549,093
Freight Logistic Services [Member]
Segment Reporting Information [Line Items]
Total assets	16,546,296	17,017,696
Container Trucking Services [Member]
Segment Reporting Information [Line Items]
Total assets	$ 25,382	$ 32,215