STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
STATEMENTS OF CASH FLOWS
Net income	$ 3,508,000	$ 1,381,000
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	264,000	225,000
Operating lease expense	340,000	383,000
Net realized and unrealized (gains) on investments	(44,000)	(134,000)
Stock based compensation	0	75,000
PPP loan forgiveness	(812,000)	0
Gain on sale of fixed assets	(17,000)	0
Changes in Operating Assets and Liabilities:
Accounts receivable	(285,000)	73,000
Inventories	461,000	149,000
Prepaid expenses and other current assets	176,000	(254,000)
Other assets	36,000	5,000
Payments on operating lease liabilities	(377,000)	(417,000)
Payments on capital lease liabilities	(9,000)	0
Accounts payable	(30,000)	(104,000)
Customer deposits	(25,000)	(4,000)
Accrued expenses, other current and non-current liabilities	148,000	296,000
Net cash provided by operating activities	3,334,000	1,674,000
Investing activities
Proceeds from sale of marketable securities	270,000	530,000
Purchases of marketable securities	(660,000)	(477,000)
Expenditures on construction in progress	(609,000)	0
Purchases of property and equipment	(4,890,000)	(75,000)
Net cash (used in) investing activities	(5,889,000)	(22,000)
Financing activities
Proceeds from mortgage loan	2,940,000	807,000
Principal payments on mortgage loan	(82,000)	0
Purchase of treasury stock	0	(6,000)
Net cash provided by financing activities	2,858,000	801,000
Net increase in cash and cash equivalents	303,000	2,453,000
Cash and cash equivalents - beginning of the year	3,785,000	1,332,000
Cash and cash equivalents - end of period	4,088,000	3,785,000
Non-cash transactions
Non-cash increase in plant, property and equipment	0	26,000
Supplemental disclosures of cash flow data
Income taxes paid	0	0
Interest expense paid	$ 102,000	$ 0