Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2022	Jun. 30, 2022
Current assets:
Cash and cash equivalents	$ 20,870,957	$ 9,208,170
Accounts receivable, less allowance for doubtful accounts of $9,496 and $2,027, respectively	1,773,132	1,846,620
Inventories, net	7,898,496	8,631,362
Prepaid expenses and other current assets	398,467	188,478
Total current assets	30,941,052	19,874,630
Equipment and leasehold improvements, net	1,032,180	1,088,017
Other assets:
Operating lease right-of-use assets	3,190,862	3,247,725
Cash surrender value of life insurance	5,973,016	5,744,724
Total other assets	9,163,878	8,992,449
Total assets	41,137,110	29,955,096
Current liabilities:
Accounts payable	521,417	796,163
Accrued liabilities	1,514,699	560,356
Deferred revenue	393,252	543,891
Operating lease liability	227,124	223,530
Income taxes payable	600,974	3,033
Total current liabilities	3,257,466	2,126,973
Long-term liabilities:
Deferred compensation	1,979,530	1,937,229
Deferred revenue	133,113	169,210
Operating lease liability	2,966,294	3,024,195
Total long-term liabilities	5,078,937	5,130,634
Total liabilities	8,336,403	7,257,607
Stockholders' equity:
Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 9,179,795 and 9,147,795, respectively	45,899	45,739
Paid in capital	12,811,717	12,653,402
Retained earnings	19,943,091	9,998,348
Total stockholders' equity	32,800,707	22,697,489
Total liabilities and stockholders' equity	$ 41,137,110	$ 29,955,096