Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 18,350,070	$ 2,083,786
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	67,593	67,829
Amortization of intangible assets	342,070	344,382
Deferred tax	195,115	358,364
Amortization of right of use assets	286,273	48,290
Compensation expense related to stock options granted	282,116	0
Bad debt expense	338,485	0
Forgiveness of payroll protection plan loan	(487,300)	0
Increase (decrease) in cash due to change in:
Accounts receivable	2,534,938	(7,108,734)
Inventories	10,353,900	234,208
Prepaid expenses and other current assets	(27,656)	13,683
Advance payments to vendors	(20,276)	23,116
Other assets	142,779	(23,305)
Accounts payable	(14,230,479)	5,685,328
Income tax payable	2,307,543	49,145
Lease liabilities	(295,931)	0
Accrued liabilities	322,567	103,444
Net cash provided by operating activities	20,461,807	1,879,536
CASH FLOWS FROM INVESTING ACTIVITIES:
Short-term investments	(3,345)	22,172
Purchases of shares of a subsidiary	0	(75,000)
Purchases of property and equipment	(12,741)	(157,688)
Payments for capitalized development costs	(587,246)	(343,360)
Purchases of intangible assets	(2,225)	(151,218)
Net cash used in investing activities	(605,557)	(705,094)
CASH FLOWS FROM FINANCING ACTIVITIES:
Sales of treasury stock	6,000,008	0
Cash received from exercise of stock options	74,750	27,769
Net cash provided by financing activities	6,074,758	27,769
Effect of foreign currency translation	264,265	(35,590)
Net increase in cash and cash equivalents	26,195,273	1,166,621
Cash and cash equivalents, beginning of year	28,161,644	6,447,505
Cash and cash equivalents, end of year	54,356,917	7,614,126
Cash paid during the periods for:
Income taxes	$ 2,800,825	$ 800