Consolidated Balance Sheets - USD ($)	Jun. 30, 2024	Jun. 30, 2023
Current assets:
Cash and cash equivalents	$ 2,837,081	$ 3,091,062
Short term investments	12,104,459	17,064,274
Accounts receivable, less allowance for credit losses of $1,922 and $6,027, respectively	1,208,319	1,379,517
Inventories	4,473,680	6,423,441
Prepaid expenses and other current assets	1,081,437	1,002,514
Interest receivable	170,429	51,150
Income taxes receivable	41,756	86,901
Total current assets	21,917,161	29,098,859
Equipment and leasehold improvements, net	1,223,391	953,903
Other assets:
Long term investments	4,994,327
Operating lease right-of-use asset	2,765,445	3,015,887
Cash surrender value of life insurance	6,299,155	6,020,048
Total other assets	14,058,927	9,035,935
Total assets	37,199,479	39,088,697
Current liabilities:
Accounts payable	329,829	267,513
Accrued liabilities	402,347	1,342,039
Deferred revenue	289,895	450,312
Operating lease liability	239,688	236,225
Income taxes payable	35,899	87,237
Total current liabilities	1,297,658	2,383,326
Long-term liabilities:
Deferred compensation	2,093,124	1,997,120
Deferred revenue	119,787	113,003
Operating lease liability	2,541,734	2,787,970
Total long-term liabilities	4,754,645	4,898,093
Total liabilities	6,052,303	7,281,419
Stockholders' equity:
Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 9,299,795 and 9,234,795, respectively	46,499	46,174
Paid in capital	13,404,477	13,113,993
Retained earnings	17,696,200	18,647,111
Total stockholders' equity	31,147,176	31,807,278
Total liabilities and stockholders' equity	$ 37,199,479	$ 39,088,697