Condensed Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock	Additional Paid In Capital	Accumulated Deficit	Total
Beginning Balance, Shares at Dec. 31, 2017	15,286,540
Beginning Balance, Amount at Dec. 31, 2017	$ 152,865	$ 40,265,282	$ (37,246,561)	$ 3,171,586
Net income (loss)			358,878	358,878
Stock option exercise, Shares	591,250
Stock option exercise, Amount	$ 5,913	146,550		152,463
Stock based compensation		33,798		33,798
Ending Balance, Shares at Mar. 31, 2018	15,877,790
Ending Balance, Amount at Mar. 31, 2018	$ 158,778	40,445,630	(36,887,683)	3,716,725
Beginning Balance, Shares at Dec. 31, 2017	15,286,540
Beginning Balance, Amount at Dec. 31, 2017	$ 152,865	40,265,282	(37,246,561)	3,171,586
Net income (loss)				752,142
Stock based compensation				226,160
Ending Balance, Shares at Sep. 30, 2018	16,106,681
Ending Balance, Amount at Sep. 30, 2018	$ 161,067	40,857,998	(36,494,419)	4,524,646
Beginning Balance, Shares at Mar. 31, 2018	15,877,790
Beginning Balance, Amount at Mar. 31, 2018	$ 158,778	40,445,630	(36,887,683)	3,716,725
Net income (loss)			47,330	47,330
Stock option exercise, Shares	128,891
Stock option exercise, Amount	$ 1,289	197,356		198,645
Stock based compensation		22,229		22,229
Ending Balance, Shares at Jun. 30, 2018	16,006,681
Ending Balance, Amount at Jun. 30, 2018	$ 160,067	40,665,215	(36,840,353)	3,984,929
Net income (loss)			345,934	345,934
Stock option exercise, Shares	100,000
Stock option exercise, Amount	$ 1,000	22,650		23,650
Stock based compensation		170,133		170,133
Ending Balance, Shares at Sep. 30, 2018	16,106,681
Ending Balance, Amount at Sep. 30, 2018	$ 161,067	40,857,998	(36,494,419)	4,524,646
Beginning Balance, Shares at Dec. 31, 2018	16,124,681
Beginning Balance, Amount at Dec. 31, 2018	$ 161,247	41,035,936	(37,320,838)	3,876,345
Net income (loss)			(1,121,118)	(1,121,118)
Stock option exercise, Shares	37,500
Stock option exercise, Amount	$ 375	4,725		5,100
Stock based compensation		175,012		175,012
Ending Balance, Shares at Mar. 31, 2019	16,162,181
Ending Balance, Amount at Mar. 31, 2019	$ 161,622	41,215,673	(38,441,956)	2,935,339
Beginning Balance, Shares at Dec. 31, 2018	16,124,681
Beginning Balance, Amount at Dec. 31, 2018	$ 161,247	41,035,936	(37,320,838)	3,876,345
Net income (loss)				(2,125,857)
Stock based compensation				432,044
Ending Balance, Shares at Sep. 30, 2019	20,880,136
Ending Balance, Amount at Sep. 30, 2019	$ 208,801	46,411,235	(39,446,695)	7,173,341
Beginning Balance, Shares at Mar. 31, 2019	16,162,181
Beginning Balance, Amount at Mar. 31, 2019	$ 161,622	41,215,673	(38,441,956)	2,935,339
Net income (loss)			(805,113)	(805,113)
Private investment offering, net of expenses of $57,391, Shares	4,545,455
Private investment offering, net of expenses of $57,391, Amount	$ 45,454	4,897,155		4,942,609
Stock option exercise, Shares	35,000
Stock option exercise, Amount	$ 350	8,400		8,750
Stock based compensation		138,756		138,756
Ending Balance, Shares at Jun. 30, 2019	20,742,636
Ending Balance, Amount at Jun. 30, 2019	$ 207,426	46,259,984	(39,247,069)	7,220,341
Net income (loss)			(199,626)	(199,626)
Stock option exercise, Shares	137,500
Stock option exercise, Amount	$ 1,375	32,975		34,350
Stock based compensation		118,276		118,276
Ending Balance, Shares at Sep. 30, 2019	20,880,136
Ending Balance, Amount at Sep. 30, 2019	$ 208,801	$ 46,411,235	$ (39,446,695)	$ 7,173,341