Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 14,153,272	$ 1,023,922
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	45,339	43,871
Amortization of intangible assets	240,535	198,268
Deferred tax	252,908	125,169
Amortization of right of use assets	183,938	11,267
Compensation expense related to stock options granted	184,229	0
Bad debt expense	335,935	0
Forgiveness of payroll protection plan loan	(487,300)	0
Increase (decrease) in cash due to change in:
Accounts receivable	(718,138)	(3,302,551)
Inventories	(1,392,737)	(1,933,989)
Prepaid expenses and other current assets	7,539	(683)
Advance payments to vendors	(14,275)	37,229
Other assets	138,405	(29,541)
Accounts payable	21,856,374	7,201,760
Income tax payable	1,935,576	49,145
Lease liabilities	(190,377)	0
Advance payments from customers	688,572	0
Accrued liabilities	(149,501)	(10,725)
Net cash provided by operating activities	37,070,294	3,413,142
CASH FLOWS FROM INVESTING ACTIVITIES:
Short-term investments	(2,578)	4,607
Purchases of property and equipment	(10,013)	(138,090)
Payments for capitalized development costs	(533,146)	(333,668)
Purchases of intangible assets	(1,403)	(26,760)
Net cash used in investing activities	(547,140)	(493,911)
CASH FLOWS FROM FINANCING ACTIVITIES:
Sales of treasury stock	6,000,008	0
Cash received from exercise of stock options	55,990	0
Net cash provided by financing activities	6,055,998	0
Effect of foreign currency translation	284,520	18,750
Net increase in cash and cash equivalents	42,863,672	2,937,981
Cash and cash equivalents, beginning of year	28,161,644	6,447,505
Cash and cash equivalents, end of year	71,025,316	9,385,486
Cash paid during the periods for:
Interest	0	0
Income taxes	$ 1,940,825	$ 800