CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 7,203,269	$ 3,717,455	$ 11,801,785	$ 10,416,226
Cost of goods sold	5,205,326	2,409,277	8,716,138	7,399,848
GROSS PROFIT	1,997,943	1,308,178	3,085,647	3,016,378
Selling, general and administrative expense	1,209,352	1,334,351	2,606,773	2,757,290
Engineering and product development expense	110,371	131,415	197,972	196,378
Operating income (loss)	678,220	(157,588)	280,902	62,710
Other expense:
Interest expense	(89,642)	(33,509)	(134,530)	(84,005)
Net income (loss) before taxes	588,578	(191,097)	146,372	(21,295)
Provision for income tax (expense) benefit	(11,600)	4,672	(11,600)
NET INCOME (LOSS)	$ 576,978	$ (186,425)	$ 134,772	$ (21,295)
Earnings (Loss) per share:
Basic	$ 0.25	$ (0.08)	$ 0.06	$ (0.01)
Diluted	$ 0.25	$ (0.08)	$ 0.06	$ (0.01)
Shares used in computing (loss) earnings per share:
Weighted average basic shares outstanding	2,312,887	2,312,887	2,312,887	2,312,887
Weighted average diluted shares outstanding	2,312,887	2,312,887	2,312,887	2,312,887