STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 782,864	$ 753,117
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of deferred compensation cost	28,000	$ 79,750
Stock based compensation expense	114,556
Depreciation and amortization	271,566	$ 283,875
Deferred capital gain - building lease	(22,478)	(22,482)
Deferred taxes	(125,496)	93,607
Loss on disposal of fixed assets	14,104	281
Allowance for returns and doubtful accounts	(12,912)	7,366
Changes in operating assets and liabilities:
Decrease in accounts receivable	286,427	113,752
Decrease (Increase) in inventory	186,359	(407,913)
(Increase) Decrease in prepaid expense	$ (24,435)	5,079
Increase in other assets		(87)
Increase (Decrease) in accounts payable	$ 64,547	(3,405)
Increase in accrued payroll and related taxes	26,849	48,941
Increase in accrued expense	195,365	40,576
Increase (Decrease) in accrued income tax liability	129,497	(166,358)
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,914,813	826,099
CASH FLOWS FROM INVESTING ACTIVITIES
Payments for property and equipment	(121,782)	$ (591,413)
Proceeds on disposal of fixed assets	13,550
Payments for patents	(79,961)	$ (152,369)
Purchase of certificates of deposit	(1,329)	(1,199)
NET CASH USED IN INVESTING ACTIVITIES	(189,522)	(744,981)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	$ (80,577)	(24,281)
Proceeds from sale of securities, net of legal and other fees of $15,000		273,000
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	$ (80,577)	248,719
NET INCREASE IN CASH AND CASH EQUIVALENTS	1,644,714	329,837
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	2,557,235	2,227,398
CASH AND CASH EQUIVALENTS, END OF YEAR	4,201,949	2,557,235
Cash paid during the years for:
Interest	3,412	512
Taxes	255,000	494,891
NON-CASH FINANCING AND INVESTING ACTIVITIES
Issuance of common stock as compensation	$ 114,556	$ 84,000