Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock	Additional paid-in capital	Retained Earnings (Accumulated Deficit)	Treasury Stock	Accumulated Other Comprehensive (Loss) Income	Total
Balance at Dec. 31, 2017	$ 566,265	$ 22,458,219	$ 978,973	$ (407,879)	$ (638)	$ 23,594,940
Balance, Shares at Dec. 31, 2017	5,662,645			186,448
Other comprehensive income (loss), net of taxes					60,100	60,100
Exercise of stock options		(5,615)		$ 16,475		10,860
Exercise of stock options, Shares				(7,531)
Stock-based compensation		167,991				167,991
Net loss			(1,019,486)			(1,019,486)
Balance at Jun. 30, 2018	$ 566,265	22,620,595	(40,513)	$ (391,404)	59,462	22,814,405
Balance, Shares at Jun. 30, 2018	5,662,645			178,917
Balance at Dec. 31, 2018	$ 566,265	22,695,557	(1,342,698)	$ (204,947)	30,157	21,744,334
Balance, Shares at Dec. 31, 2018	5,662,645			93,683
Other comprehensive income (loss), net of taxes					(73,069)	(73,069)
Public offering of common stock, net of $696,566 of offering costs	$ 163,636	8,139,800				8,303,436
Public offering of common stock, net of $696,566 of offering costs, Shares	1,636,364
Exercise of stock options		(9,337)		$ 9,339		2
Exercise of stock options, Shares				(4,269)
Stock-based compensation		152,916				152,916
Net loss			(482,600)			(482,600)
Balance at Jun. 30, 2019	$ 729,901	$ 30,978,936	$ (1,825,298)	$ (195,608)	$ (42,912)	$ 29,645,019
Balance, Shares at Jun. 30, 2019	7,299,009			89,414