Balance Sheets - USD ($)	Mar. 31, 2024	Mar. 31, 2023
Current assets:
Cash	$ 42,509	$ 188,966
Accounts receivable	891,129	920,721
Inventories	1,402,338	1,899,202
Prepaid expenses and other assets	90,298	115,714
Total current assets	2,426,274	3,124,603
Equipment:
Furniture, fixtures and equipment	2,627,726	2,615,676
Accumulated depreciation	(2,373,722)	(2,312,400)
Equipment, net	254,004	303,276
Right of use asset, net	900,787	496,004
Patents, net	164,010	163,133
Other assets	65,641	46,953
TOTAL ASSETS	3,810,716	4,133,969
Current liabilities:
Accounts payable	346,049	252,957
Line of credit	156,685	177,402
Secured notes	42,194	44,491
Accrued compensation	184,913	217,724
Other accrued liabilities	119,804	84,578
Accrued lease liability	370,377	353,674
Total current liabilities	1,220,022	1,130,826
Long-term liability:
Secured notes	67,336	268,512
Accrued lease liability	696,610	239,820
Total liabilities	1,983,968	1,639,158
Shareholders’ equity:
Preferred stock, no par value: 10,000,000 shares authorized; none issued and outstanding
Common stock and additional paid-in capital, no par value: 100,000,000 shares authorized; 11,858,627 issued and outstanding at March 31, 2024 and 11,769,543 at March 31, 2023	24,371,795	24,348,075
Accumulated (deficit)	(22,545,047)	(21,853,264)
Total shareholders’ equity	1,826,748	2,494,811
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 3,810,716	$ 4,133,969