Statements of Stockholders' Equity - USD ($)	Common Stock	Additional paid-in capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total
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
Net income (loss)			144,555			144,555
Other comprehensive (loss) income, net of taxes					(27,069)	(27,069)
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		82,835				82,835
Balance at Mar. 31, 2019	$ 729,901	30,908,855	(1,198,143)	$ (195,608)	3,088	30,248,093
Balance, Shares at Mar. 31, 2019	7,299,009			89,414
Balance at Dec. 31, 2019	$ 729,901	31,131,893	(2,638,285)	$ (188,336)	(43,895)	28,991,278
Balance, Shares at Dec. 31, 2019	7,299,009			86,090
Net income (loss)			(122,267)			(122,267)
Other comprehensive (loss) income, net of taxes					43,895	43,895
Stock-based compensation		77,404				77,404
Balance at Mar. 31, 2020	$ 729,901	$ 31,209,297	$ (2,760,552)	$ (188,336)		$ 28,990,310
Balance, Shares at Mar. 31, 2020	7,299,009			86,090