Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income (loss)	$ (342,579)	$ 109,737
Adjustments to reconcile net income (loss) to net cash (used in) operating activities:
Depreciation and amortization	39,055	39,273
Write-off of inventories	131,089	312,830
Bad debt	35,000	100,000
Deferred taxes	(15,000)	(166,000)
(Increase) decrease in operating assets:
Accounts receivable	(74,441)	(114,784)
Accounts receivable - related party		(330,090)
Inventories	(230,780)	(198,497)
Prepaid expenses and other current assets	(15,726)	37,039
(Increase) decrease in operating liabilities:
Accounts payable	(11,373)	17,957
Customer deposits	199,274	(2,975)
Accrued expenses and other current liabilities	1,167	651
Due to stockholder	8,771	(65,011)
Net cash provided by (used in) operating activities	(275,543)	(259,870)
Cash flows from financing activities:
Proceeds from line of credit	386,000
Repayments of line of credit	(216,115)
Repayments of capital lease payable	(32,187)	(28,874)
Net cash provided by (used in) financing activities	137,698	(28,874)
Net (decrease) in cash and cash equivalents	(137,845)	(288,744)
Cash and cash equivalents - beginning of year	1,693,532	1,982,276
Cash and cash equivalents - end of year	1,555,687	1,693,532
Cash paid for:
Interest	8,807	6,707
Taxes