Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net (loss)	$ (1,384,263)	$ (598,276)
Adjustments to reconcile net loss to net cash (used in) operating activities:
Depreciation and amortization	107,253	149,535
Write-off of inventories	34,406	121,999
Stock based compensation	0	17,603
Bad debt	625,000	75,000
Deferred taxes	(956,000)	62,000
Non-cash interest expense	30,194	33,768
Forgiveness of Paycheck Protection Program loan	693,817	0
Warrant liability	182,161	0
Changes in operating assets and liabilities balances:
Accounts receivable	(189,863)	(257,641)
Inventories	(67,344)	(56,151)
Prepaid expenses and other current assets	(10,702)	(23,515)
Accounts payable	(34,751)	(1,170)
Customer deposits	(30,019)	(61,109)
Accrued expenses and other current liabilities	2,669	(5,805)
Payments of operating lease liability	(101,875)	(101,875)
Net cash (used in) operating activities	(574,951)	(769,637)
Cash flows provided by (used in) financing activities:
Due to shareholder	(39,158)	(10,624)
Proceeds from line of credit	308,000	241,413
Repayments of line of credit	(199,653)	(45,000)
Proceeds from PPP loan	0	713,542
Repayments on PPP loan	(2,690)	0
Repayments on capital lease payable	0	(21,458)
Net cash provided by financing activities	66,499	877,873
Net increase (decrease) in cash and cash equivalents	(508,452)	108,236
Cash and cash equivalents - beginning of period	1,546,950	1,438,714
Cash and cash equivalents - end of period	1,038,498	1,546,950
Cash paid for:
Interest	$ 15,597	$ 5,966