CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Total
Balances at Dec. 31, 2019	$ 1,177	$ 19,192,394	$ 36,300,450	$ 30,374	$ 55,524,395
Balance (in shares) at Dec. 31, 2019	11,765,875
Increase (Decrease) in Stockholders' Equity
Net income			1,769,211		1,769,211
Other comprehensive income (loss)				10,433	10,433
Stock-based compensation expense		568,958			568,958
Net share settlement of restricted stock units	$ 1	(133,873)			(133,872)
Net share settlement of restricted stock units (in shares)	14,521
Exercise of stock options	$ 19	322,160			322,179
Exercise of stock options (in Shares)	190,541
Balances at Mar. 31, 2020	$ 1,197	19,949,639	38,069,661	40,807	58,061,304
Balance (in shares) at Mar. 31, 2020	11,970,937
Balances at Dec. 31, 2019	$ 1,177	19,192,394	36,300,450	30,374	55,524,395
Balance (in shares) at Dec. 31, 2019	11,765,875
Increase (Decrease) in Stockholders' Equity
Net income					731,587
Balances at Sep. 30, 2020	$ 1,227	23,636,433	37,032,037	46,761	60,716,458
Balance (in shares) at Sep. 30, 2020	12,269,123
Balances at Mar. 31, 2020	$ 1,197	19,949,639	38,069,661	40,807	58,061,304
Balance (in shares) at Mar. 31, 2020	11,970,937
Increase (Decrease) in Stockholders' Equity
Net income			(2,112,270)		(2,112,270)
Other comprehensive income (loss)				13,135	13,135
Stock-based compensation expense		2,658,632			2,658,632
Net share settlement of restricted stock units	$ 8	(725,393)			(725,385)
Net share settlement of restricted stock units (in shares)	76,381
Exercise of stock options	$ 15	468,795			468,810
Exercise of stock options (in Shares)	150,519
Balances at Jun. 30, 2020	$ 1,220	22,351,673	35,957,391	53,942	58,364,226
Balance (in shares) at Jun. 30, 2020	12,197,837
Increase (Decrease) in Stockholders' Equity
Net income			1,074,646		1,074,646
Other comprehensive income (loss)				(7,181)	(7,181)
Stock-based compensation expense		416,525			416,525
Net share settlement of restricted stock units	$ 1	(63,491)			(63,490)
Net share settlement of restricted stock units (in shares)	8,245
Exercise of stock options	$ 6	931,726			931,732
Exercise of stock options (in Shares)	63,041
Balances at Sep. 30, 2020	$ 1,227	23,636,433	37,032,037	46,761	60,716,458
Balance (in shares) at Sep. 30, 2020	12,269,123
Balances at Dec. 31, 2020	$ 1,231	23,676,843	37,669,451	37,087	61,384,612
Balance (in shares) at Dec. 31, 2020	12,308,432
Increase (Decrease) in Stockholders' Equity
Net income			1,386,849		1,386,849
Other comprehensive income (loss)				(4,869)	(4,869)
Stock-based compensation expense		347,741			347,741
Net share settlement of restricted stock units		(38,707)			(38,707)
Net share settlement of restricted stock units (in shares)	3,502
Exercise of stock options		2,460			2,460
Exercise of stock options (in Shares)	250
Balances at Mar. 31, 2021	$ 1,231	23,988,337	39,056,300	32,218	63,078,086
Balance (in shares) at Mar. 31, 2021	12,312,184
Balances at Dec. 31, 2020	$ 1,231	23,676,843	37,669,451	37,087	61,384,612
Balance (in shares) at Dec. 31, 2020	12,308,432
Increase (Decrease) in Stockholders' Equity
Net income					5,432,804
Balances at Sep. 30, 2021	$ 1,234	24,766,697	43,102,255	21,231	67,891,417
Balance (in shares) at Sep. 30, 2021	12,340,654
Balances at Mar. 31, 2021	$ 1,231	23,988,337	39,056,300	32,218	63,078,086
Balance (in shares) at Mar. 31, 2021	12,312,184
Increase (Decrease) in Stockholders' Equity
Net income			1,469,694		1,469,694
Other comprehensive income (loss)				(8,039)	(8,039)
Stock-based compensation expense		358,012			358,012
Net share settlement of restricted stock units	$ 1	(15,875)			(15,874)
Net share settlement of restricted stock units (in shares)	2,727
Exercise of stock options		20,235			20,235
Exercise of stock options (in Shares)	2,125
Balances at Jun. 30, 2021	$ 1,232	24,350,709	40,525,994	24,179	64,902,114
Balance (in shares) at Jun. 30, 2021	12,317,036
Increase (Decrease) in Stockholders' Equity
Net income			2,576,261		2,576,261
Other comprehensive income (loss)				(2,948)	(2,948)
Stock-based compensation expense		361,836			361,836
Net share settlement of restricted stock units		(8,766)			(8,766)
Net share settlement of restricted stock units (in shares)	618
Exercise of stock options	$ 2	62,918			62,920
Exercise of stock options (in Shares)	23,000
Balances at Sep. 30, 2021	$ 1,234	$ 24,766,697	$ 43,102,255	$ 21,231	$ 67,891,417
Balance (in shares) at Sep. 30, 2021	12,340,654