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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total
Beginning balance (shares) at Feb. 28, 2018	14,986,367
Beginning balance at Feb. 28, 2018	$ 149,864	$ 8,901,171	$ 101,605	$ (760,115)	$ 8,392,525
Reclassification of unrealized gain on marketable securities upon adoption of ASU 2016-01			$ (101,605)	101,605
Cashless exercise of stock options (shares)	205,358
Cashless exercise of stock options	$ 2,054	(2,054)
Stock based compensation expense		22,777			22,777
Net Income				100,813	100,813
Ending balance (shares) at Nov. 30, 2018	15,191,725
Ending balance at Nov. 30, 2018	$ 151,918	8,921,894		(557,697)	8,516,115
Beginning balance (shares) at Aug. 31, 2018	15,155,560
Beginning balance at Aug. 31, 2018	$ 151,556	8,915,873		(577,956)	8,489,473
Cashless exercise of stock options (shares)	36,165
Cashless exercise of stock options	$ 362	(362)
Stock based compensation expense		6,383			6,383
Net Income				20,259	20,259
Ending balance (shares) at Nov. 30, 2018	15,191,725
Ending balance at Nov. 30, 2018	$ 151,918	8,921,894		(557,697)	8,516,115
Beginning balance (shares) at Feb. 28, 2019	15,197,563
Beginning balance at Feb. 28, 2019	$ 151,976	8,929,607		(496,923)	$ 8,584,660
Cashless exercise of stock options (shares)	126,268				126,268
Cashless exercise of stock options	$ 1,262	(1,262)
Stock based compensation expense		81,634			$ 81,634
Net Income				419,632	419,632
Ending balance (shares) at Nov. 30, 2019	15,323,831
Ending balance at Nov. 30, 2019	$ 153,238	9,009,979		(77,291)	9,085,926
Beginning balance (shares) at Aug. 31, 2019	15,301,613
Beginning balance at Aug. 31, 2019	$ 153,016	8,972,394		(356,945)	8,768,465
Cashless exercise of stock options (shares)	22,218
Cashless exercise of stock options	$ 222	(222)
Stock based compensation expense		37,807			37,807
Net Income				279,654	279,654
Ending balance (shares) at Nov. 30, 2019	15,323,831
Ending balance at Nov. 30, 2019	$ 153,238	$ 9,009,979		$ (77,291)	$ 9,085,926

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