Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (2,172,575)	$ 771,167
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	119,773	143,257
Amortization of intangible assets	488,049	471,235
Reserve for obsolete inventory	150,000	52,493
Deferred tax	(191,523)	356,830
Share-based compensation	0	(25,000)
Forgiveness of accounts payable	(2,382)	0
Increase (decrease) in cash due to change in:
Accounts receivable	3,039,951	1,311,077
Inventories	1,613,733	(1,146,304)
Prepaid expenses and other current assets	101	(7,297)
Prepaid income taxes	0	2,626
Advance payments to vendors	48,404	(118,718)
Other assets	(2,985)	(578)
Accounts payable	(5,250,597)	(413,561)
Income tax payable	3,750	0
Advance payments from customers	176,601	50,096
Accrued liabilities	(28,994)	41,040
Net cash provided (used in) by operating activities	(2,008,694)	1,488,363
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(23,903)	(45,435)
Payments for capitalized development costs	(291,386)	(368,226)
Purchases of intangible assets	(83,896)	(85,597)
Net cash used in investing activities	(399,185)	(499,258)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash received from exercise of stock options	67,000	104,820
Net cash provided by financing activities	67,000	104,820
Effect of foreign currency translation	31,822	34,322
Net increase (decrease) in cash and cash equivalents	(2,309,057)	1,128,247
Cash and cash equivalents, beginning of year	14,285,001	13,156,754
Cash and cash equivalents, end of year	11,975,944	14,285,001
Cash (paid) received, net during the years for:
Income taxes	$ (800)	$ (14,271)