Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock	Accumulated Deficit	Total
Beginning Balance, Amount at Dec. 31, 2014	$ 23,970,654	$ (10,204,805)	$ 13,765,849
Beginning Balance, Shares at Dec. 31, 2014	20,095,087
Net income (loss)		785,778	785,778
Cashless exercise of employee stock options	360,167
Amortization of value of employee stock options	$ 26,962		26,962
Stock issued in exchange for payables, Amount	$ 95,000		95,000
Stock issued in exchange for payables, Shares	50,000
Exercise of employee stock options, Amount	$ 201,386		201,386
Exercise of employee stock options, Shares	270,667
Ending Balance, Amount at Dec. 31, 2015	$ 24,294,002	(9,419,027)	14,874,975
Ending Balance, Shares at Dec. 31, 2015	20,775,921
Net income (loss)		(870,840)	(870,840)
Cashless exercise of employee stock options	7,111
Amortization of value of employee stock options	$ 14,295		14,295
Ending Balance, Amount at Dec. 31, 2016	$ 24,308,297	(10,289,867)	14,018,430
Ending Balance, Shares at Dec. 31, 2016	20,783,032
Net income (loss)		(3,384,927)	(3,384,927)
Amortization of value of employee stock options	$ 14,588		14,588
Ending Balance, Amount at Dec. 31, 2017	$ 24,322,885	$ (13,674,794)	$ 10,648,091
Ending Balance, Shares at Dec. 31, 2017	20,783,032