Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2024	Jun. 30, 2024
Current assets:
Cash and cash equivalents	$ 2,750,732	$ 2,837,081
Short term investments	9,142,324	12,104,459
Accounts receivable, less allowance for credit losses of $1,922 at September 30, 2024 and June 30, 2024	1,388,610	1,208,319
Inventories	4,735,110	4,473,680
Prepaid expenses and other current assets	1,161,533	1,081,437
Interest receivable	114,615	170,429
Income taxes receivable	44,285	41,756
Total current assets	19,337,209	21,917,161
Equipment and leasehold improvements, net	1,527,451	1,223,391
Other assets:
Long term investments	7,997,286	4,994,327
Operating lease right-of-use asset	2,704,778	2,765,445
Cash surrender value of life insurance	6,535,023	6,299,155
Total other assets	17,237,087	14,058,927
Total assets	38,101,747	37,199,479
Current liabilities:
Accounts payable	731,694	329,829
Accrued liabilities	1,113,106	462,858
Deferred revenue	249,032	229,384
Operating lease liability	242,848	239,688
Income taxes payable	28,225	35,899
Total current liabilities	2,364,905	1,297,658
Long-term liabilities:
Deferred compensation	2,290,498	2,093,124
Deferred revenue	119,745	119,787
Operating lease liability	2,479,824	2,541,734
Total long-term liabilities	4,890,067	4,754,645
Total liabilities	7,254,972	6,052,303
Stockholders' equity:
Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 9,350,795 at September 30, 2024 and 9,299,795 at June 30, 2024, respectively	46,754	46,499
Paid in capital	13,523,356	13,404,477
Retained earnings	17,276,665	17,696,200
Total stockholders' equity	30,846,775	31,147,176
Total liabilities and stockholders' equity	$ 38,101,747	$ 37,199,479