CONDENSED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
SALES, NET	$ 7,641,228	$ 6,918,131	$ 22,356,517	$ 19,008,680
COST OF SALES	3,179,590	2,696,934	9,261,589	7,373,909
GROSS PROFIT	4,461,638	4,221,197	13,094,928	11,634,771
OPERATING EXPENSES
Sales and marketing	2,335,623	1,876,455	6,687,412	5,238,493
General and administrative	1,433,142	1,040,908	4,001,040	3,064,332
Total operating expenses	3,768,765	2,917,363	10,688,452	8,302,825
INCOME FROM OPERATIONS	692,873	1,303,834	2,406,476	3,331,946
OTHER INCOME (EXPENSE)
Interest income	2,797	2,615	9,275	17,845
Interest expense	(96,473)	(103,283)	(293,548)	(314,158)
Other income, net	29,250	37,097	159,063	137,899
INCOME BEFORE INCOME TAXES	628,447	1,240,263	2,281,266	3,173,532
INCOME TAX PROVISION	(172,256)	(343,464)	(624,839)	(869,230)
NET INCOME	456,191	896,799	1,656,427	2,304,302
Accrued preferred stock dividends	(361,071)	(256,452)	(1,083,213)	(769,356)
INCOME APPLICABLE TO COMMON SHAREHOLDERS	$ 95,120	$ 640,347	$ 573,214	$ 1,534,946
Earnings per common share after preferred dividends, basic and diluted	$ 0.02	$ 0.13	$ 0.12	$ 0.31
Weighted-average number of common shares outstanding	4,964,529	4,964,529	4,964,529	4,964,529