Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended	9 Months Ended
	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Cash flows from operating activities
Net income		$ 23,548	$ 89,741
Adjustments to reconcile net loss to cash provided by (used in) operating activities
Depreciation and amortization		14,530	15,846
Noncash Lease Expense		66,825	66,825
Changes in assets and liabilities
Accounts receivable		27,924	(73,607)
Inventories		16,566	(7,003)
Prepaid expenses and other		387	24,777
Accounts payable and accrued expenses		(14,777)	(5,335)
Building lease liability for right of use asset		(67,650)	(66,000)
Total Adjustments		43,805	(44,497)
Net cash (used in) provided by operating activities		67,353	45,244
Purchase of Equipment		(962)	(11,022)
Net Cash Used in Investing Activities		(962)	(11,022)
Increase in cash and cash equivalents		66,391	34,222
Cash Beginning Period		1,180,125	1,140,428
Cash Ending Period	$ 1,164,650	1,246,516	1,164,650
Supplemental Cash Flow Information
Interest paid
Income taxes paid
Record Right of Use Asset and Operating Lease Liability	$ 178,200		$ 178,200