BALANCE SHEETS (Unaudited) - USD ($)	Sep. 30, 2023	Mar. 31, 2023	[1]
Current assets
Cash and cash equivalents	$ 6,953,448	$ 1,669,896
Marketable securities, short-term (amortized cost of $7,302,714 as of September 30, 2023, and $15,696,135 as of March 31, 2023)	7,224,056	15,513,095
Accounts receivable, net of allowance for credit losses of $15,000	2,915,762	6,523,344
Inventories	6,967,766	6,417,010
Prepaid expenses and other assets	1,064,853	663,459
Total current assets	25,125,885	30,786,804
Machinery and equipment	10,501,096	10,484,365
Leasehold improvements	1,956,309	1,956,309
Total fixed assets	12,457,405	12,440,674
Less accumulated depreciation and amortization	11,250,170	11,095,236
Net fixed assets	1,207,235	1,345,438
Deferred tax assets	1,395,430	572,038
Marketable securities, long-term (amortized cost of $41,467,512 as of September 30, 2023, and $37,495,846 as of March 31, 2023)	39,623,299	36,125,047
Right-of-use asset – operating lease	358,590	425,843
Total assets	67,710,439	69,255,170
Current liabilities
Accounts payable	244,236	281,712
Accrued payroll and other	539,452	1,375,250
Operating lease	177,585	175,798
Total current liabilities	961,273	1,832,760
Operating lease	260,509	342,908
Total liabilities	1,221,782	2,175,668
Shareholders’ equity
Common stock, $0.01 par value, 6,000,000 shares authorized; 4,833,401 issued and outstanding as of September 30, 2023, and 4,830,826 as of March 31, 2023	48,334	48,308
Additional paid-in capital	19,529,791	19,295,442
Accumulated other comprehensive loss	(1,502,147)	(1,213,858)
Retained earnings	48,412,679	48,949,610
Total shareholders’ equity	66,488,657	67,079,502
Total liabilities and shareholders’ equity	$ 67,710,439	$ 69,255,170

[1] The March 31, 2023 Balance Sheet is derived from the audited financial statements contained in our Annual Report on Form 10-K for the fiscal year ended March 31, 2023.