Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities
Net income (loss)	$ 3,603,544	$ (2,301,522)
Adjustment to reconcile net income (loss) to net cash provided by (used in) operating activities:
Amortization of stock-based compensation to management		349,800
Amortization of stock-based compensation to consultants	599,846	1,327,780
Amortization of employee stock options	110,195	3,880
Depreciation and amortization	49,367	59,508
Provision for (recovery of) doubtful accounts	(18,912)	132,915
Deferred tax provision (benefit)	(749,400)	280,600
Changes in assets and liabilities
(Increase) decrease in accounts receivable	(260,165)	616,280
Decrease (increase) in other receivables	249,768	(98,935)
Decrease (increase) in advances to suppliers-third parties	2,085,281	(2,141,935)
Increase in advances to suppliers-related party	(3,317,382)
Decrease (increase) in prepaid expenses	162,727	(4,228)
Increase in other current assets	(18,931)	(30,600)
Increase in other long-term assets	(70,806)
(Increase) decrease in due from related parties	(117,772)	1,162,072
Increase (decrease) in advances from customers	343,790	(101,828)
Decrease in accounts payable	(272,474)	(202,098)
Increase in taxes payable	278,288	640,549
Increase in due to related parties	206,323
Increase in accrued expenses and other current liabilities	131,483	186,714
Net cash provided by (used in) operating activities	2,994,770	(121,048)
Investing Activities
Acquisition of property and equipment	(62,412)	(31,659)
Cash collected from the termination of vessel acquisition		326,035
Net cash provided by (used in) investing activities	(62,412)	294,376
Financing Activities
Proceeds from issuance of common stock, net	4,319,988	691,600
Proceeds from exercise of employee stock options for common stock	82,500
Repurchase of common stock		(45,011)
Net cash provided by financing activities	4,402,488	646,589
Effect of exchange rate fluctuations on cash and cash equivalents	12,902	(164,245)
Net increase in cash and cash equivalents	7,347,748	655,672
Cash and cash equivalents at beginning of year	1,385,994	730,322
Cash and cash equivalents at end of year	8,733,742	1,385,994
Supplemental information
Income taxes paid	89,324	23,286
Non-cash investing and financing activities:
Return of common stock issued for vessel acquisition		(2,220,000)
Issuance of common stock to pay for professional services	$ 632,500	$ 435,000