Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 1,023,922	$ (429,692)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	43,871	54,570
Amortization of intangible assets	198,268	245,931
Deferred tax (benefit)	125,169	(77,875)
Amortization of right of use asset	11,267	0
Increase (decrease) in cash due to change in:
Accounts receivable	(3,302,551)	948,864
Inventories	(1,933,989)	(300,261)
Prepaid expenses and other current assets	(683)	(10,952)
Prepaid income tax	0	25,144
Advance payments to vendors	37,229	18,180
Other assets	(29,541)	518
Accounts payable	7,201,760	638,137
Income tax payable	49,145	0
Advance payments from customers	0	(164,779)
Accrued liabilities	(10,725)	(10,972)
Net cash provided by operating activities	3,413,142	936,813
CASH FLOWS FROM INVESTING ACTIVITIES:
Short-term investments	4,607	0
Purchases of shares of a subsidiary	0	(234,330)
Purchases of property and equipment	(138,090)	(58,599)
Payments for capitalized development costs	(333,668)	(64,405)
Purchases of intangible assets	(26,760)	(1,345)
Net cash used in investing activities	(493,911)	(358,679)
Effect of foreign currency translation	18,750	(3,299)
Net increase in cash and cash equivalents	2,937,981	574,835
Cash and cash equivalents, beginning of period	6,447,505	11,975,944
Cash and cash equivalents, end of period	9,385,486	12,550,779
Supplemental disclosure of cash flow information:
Cash paid during the periods for: Interest	0	0
Cash paid during the periods for: Income taxes	$ (800)	$ (800)