Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (1,380,700)	$ (632,097)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	816,334	910,962
Interest from amortization of debt costs	18,560	4,643
Stock-based compensation on stock options & RSUs, net	284,598	116,591
Provision for doubtful accounts receivable	(12,452)	12,010
Change in operating lease assets and liabilities	(43,531)	(52,172)
Inventory write-offs to allowance	0	60,935
Deferred tax benefit	(29,596)	0
Changes in operating assets and liabilities:
Trade accounts receivable	639,725	(1,283,594)
Other receivables	(82,391)	134,860
Inventories	(20,282)	(109,829)
Prepaid expenses and other assets	10,874	19,702
Accounts payable and accrued liabilities	(616,494)	(799,693)
Net cash used in operating activities	(415,355)	(1,617,682)
Cash flows from investing activities:
Purchase of property and equipment	(243,393)	(1,199,005)
Net cash used in investing activities	(243,393)	(1,199,005)
Cash flows from financing activities:
Proceeds from sale of common stock from Employee Stock Purchase Plan	19,870	21,726
Borrowings on loans payable	0	266,850
Payments on loans payable	(169,902)	(163,758)
Repayment of finance lease obligations	(37,079)	(73,891)
Net cash (used in) provided by financing activities	(187,111)	50,927
Effect of exchange rate on cash and cash equivalents	(363,163)	(31,953)
Change in cash and cash equivalents	(1,209,022)	(2,797,713)
Cash and cash equivalents, beginning of period	5,507,891	6,774,694
Cash and cash equivalents, end of period	4,298,869	3,976,981
Supplemental disclosure of cash flow information:
Interest paid in cash	48,803	41,466
Income taxes paid	$ 140,756	$ 111,535