Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ (140,221)	$ (227,700)
Adjustments to reconcile net loss to net cash (used in) operating activities:
Depreciation and amortization	84,836	80,493
Write-off of inventories	26,726	20,103
Stock based compensation	0	8,802
Bad debt	625,000	65,000
Deferred taxes	(163,000)	6,000
Non-cash interest expense	23,049	25,646
Forgiveness of Paycheck Protection Program loan	(693,817)	0
Warrant liability	182,161	0
Changes in operating assets and liabilities balances:
Accounts receivable	(9,681)	(81,869)
Inventories	(153,528)	(95,500)
Prepaid expenses and other current assets	(44,616)	(42,660)
Accounts payable	(6,845)	(27,835)
Customer deposits	(10,634)	(4,405)
Accrued expenses and other current liabilities	(17,966)	(35,957)
Payments of operating lease liability	(76,406)	(76,406)
Net cash (used in) operating activities	(374,942)	(386,288)
Cash flows provided (used) in financing activities:
Due to shareholder	(24,755)	(17,339)
Proceeds from line of credit	187,000	100,000
Repayments of line of credit	(159,910)	(45,000)
Proceeds from PPP loan	0	381,000
Repayments on capital lease payable	0	(21,458)
Repayments on PPP loan	(1,666)
Net cash provided by financing activities	669	397,203
Net increase (decrease) in cash and cash equivalents	(374,273)	10,915
Cash and cash equivalents - beginning of period	1,546,950	1,438,714
Cash and cash equivalents - end of period	1,172,677	1,449,629
Cash paid for:
Interest	$ 7,583	$ 3,727