Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss	$ (4,973,368)	$ (3,993,115)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization of property and equipment	726,386	733,646
Amortization of intangible assets	622,450	688,150
Amortization of other assets	0	13,184
Loss on sale of property and equipment	0	24,163
Stock-based compensation	131,336	178,148
Change in allowance for doubtful accounts receivable	(116,821)	(150,663)
Change in allowance for inventory obsolescence	116,725	(247,771)
Amortization of deferred gain on sale/leaseback	(150,448)	(150,448)
Change in operating assets and liabilities:
Trade accounts receivable	1,811,188	377,635
Inventories	4,551,373	(5,325,594)
Prepaid expenses and other receivables	296,179	1,445,798
Other assets	(455,308)	16,992
Accounts payable, accrued expenses, and other current liabilities	(2,188,578)	1,505,450
Net cash provided by (used in) operating activities	371,114	(4,884,425)
Cash flows from investing activities:
Purchase of property and equipment	(186,854)	(317,811)
Net cash used in investing activities	(186,854)	(317,811)
Cash flows from financing activities:
Principal payments on long-term debt	(5,362)	(13,448)
Principal payments on finance lease liability	(327,345)	(336,643)
Net cash used in financing activities	(332,707)	(350,091)
Net change in cash and cash equivalents and restricted cash	(148,447)	(5,552,327)
Cash and cash equivalents and restricted cash at beginning of the period	701,317	6,253,644
Cash and cash equivalents and restricted cash at end of the period	552,870	701,317
Supplemental disclosure of cash flow information:
Cash paid for interest	244,421	148,004
Supplemental disclosure of non-cash investing and financing activities
Preferred stock dividend, in common stock, issued or to be issued	690,976	733,384
Inventory reclassified to loaner equipment	0	28,168
Operating lease right-of-use assets obtained in exchange for lease obligations	2,973,474	0
Finance lease right-of-use assets obtained in exchange for lease obligations	$ 86,119	$ 0