Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Feb. 28, 2019	5,957,827
Balance at Feb. 28, 2019	$ 5,958	$ 6,650,864	$ 13,733,010	$ 20,389,832
Consolidated net (loss) income			1,558,060	1,558,060
Issuance of common stock, vesting of restricted stock units and other (in shares)	37,170
Issuance of common stock, vesting of restricted stock units and other	$ 37	(37)
Equity compensation, restricted stock units		503,210		503,210
Cash dividends declared			(2,154,938)	(2,154,938)
Balance (in shares) at Nov. 30, 2019	5,994,997
Balance at Nov. 30, 2019	$ 5,995	7,154,037	13,136,132	20,296,164
Balance (in shares) at Aug. 31, 2019	5,991,162
Balance at Aug. 31, 2019	$ 5,991	7,037,501	13,927,209	20,970,701
Consolidated net (loss) income			(71,637)	(71,637)
Issuance of common stock, vesting of restricted stock units and other (in shares)	3,835
Issuance of common stock, vesting of restricted stock units and other	$ 4	(4)
Equity compensation, restricted stock units		116,540		116,540
Cash dividends declared			(719,440)	(719,440)
Balance (in shares) at Nov. 30, 2019	5,994,997
Balance at Nov. 30, 2019	$ 5,995	7,154,037	13,136,132	20,296,164
Balance (in shares) at Feb. 29, 2020	6,019,532
Balance at Feb. 29, 2020	$ 6,020	7,459,931	11,889,560	19,355,511
Consolidated net (loss) income			(3,067,570)	(3,067,570)
Issuance of common stock, vesting of restricted stock units and other (in shares)	51,393
Issuance of common stock, vesting of restricted stock units and other	$ 51	(51)
Equity compensation, restricted stock units		399,636		399,636
Balance (in shares) at Nov. 30, 2020	6,070,925
Balance at Nov. 30, 2020	$ 6,071	7,859,516	8,821,990	16,687,577
Balance (in shares) at Aug. 31, 2020	6,067,461
Balance at Aug. 31, 2020	$ 6,068	7,747,320	8,298,295	16,051,683
Consolidated net (loss) income			523,695	523,695
Issuance of common stock, vesting of restricted stock units and other (in shares)	3,464
Issuance of common stock, vesting of restricted stock units and other	$ 3	(3)
Equity compensation, restricted stock units		112,199		112,199
Balance (in shares) at Nov. 30, 2020	6,070,925
Balance at Nov. 30, 2020	$ 6,071	$ 7,859,516	$ 8,821,990	$ 16,687,577