Other Receivables (Details) - USD ($)		Mar. 31, 2020	Jun. 30, 2019
Other Receivables
Advances to customers	[1]	$ 10,216,897	$ 4,237,270
Employee business advances		99,331	54,953
Security deposit			43,492
Total		3,549,958	4,335,715
Less: current portion		6,486,140	4,335,715
Total noncurrent portion		$ 3,549,958

[1] As of March 31, 2020, the Company entered into certain contracts with customers (state-owned entities) where the Company's services included freight costs and cost of commodities to be shipped to customers' designated locations. The Company prepaid the costs of commodities and recognized as advance payments on behalf of its customers. These advance payments on behalf of the customers will be repaid to the Company when either the contract terms are expired or the contracts are terminated by the Company. The Company is expected to execute the contracts by December 31, 2020 for the current portion which is within 12 months period from the date of the contracts were signed.