Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net (loss)	$ (94,185)	$ (1,890)
Adjustments to reconcile net (loss) to net cash provided (used in) operating activities:
Depreciation and amortization	29,174	29,331
Write-off of inventories	34,363
Deferred taxes	82,000	(97,000)
Non-cash operating lease cost	41,823
Changes in operating assets and liabilities balances:
Accounts receivable	204,703	(41,744)
Inventories	(231,295)	(155,430)
Prepaid expenses and other current assets	(78,114)	(17,293)
Accounts payable	12,541	61,321
Customer deposits	346,803	60,140
Accrued expenses and other current liabilities	(15,429)	(22,354)
Due to shareholder	(16,205)	(3,694)
Payments of operating lease liability	(76,406)
Net cash provided by (used in) operating activities	239,773	(188,613)
Cash flows provided (used) in financing activities:
Proceeds from line of credit	185,000
Repayments of line of credit	(354,885)
Repayments on capital lease payable	(24,140)	(24,141)
Net cash (used in) financing activities	(194,025)	(24,141)
Net increase (decrease) in cash and cash equivalents	45,748	(212,754)
Cash and cash equivalents - beginning of period	1,555,687	1,693,532
Cash and cash equivalents - end of period	1,601,435	1,480,778
Cash paid for:
Interest	3,728	2,811
Taxes	$ 750