Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income	$ 25,360	$ 141,024
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	19,449	19,605
Write-off of inventories	46,715
Deferred taxes	10,000	(32,000)
Changes in operating assets and liabilities balances:
Accounts receivable	(90,863)	(13,452)
Inventories	(93,081)	(179,307)
Prepaid expenses and other current assets	(86,643)	(29,038)
Operating lease asset	(916,406)
Accounts payable	61,244	(41,194)
Customer deposits	350,087	11,406
Accrued expenses and other current liabilities	8,332	58,851
Due to shareholder	6,895	3,465
Operating lease liability	916,406
Net cash provided by (used in) operating activities	257,495	(60,640)
Cash flows provided (used) in financing activities:
Proceeds from line of credit	115,000	80,518
Repayments of line of credit	(284,885)	(25,413)
Repayments on capital lease payable	(16,094)	(16,093)
Net cash provided by (used in) financing activities	(185,979)	39,012
Net increase (decrease) in cash and cash equivalents	71,516	(21,628)
Cash and cash equivalents - beginning of period	1,555,687	1,693,532
Cash and cash equivalents - end of period	1,627,203	1,671,904
Cash paid for:
Interest	$ 2,871	$ 1,973