STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-in Capital	Retained Earnings	Total
BALANCE at Dec. 31, 2013	$ 201,217	$ 2,592,038	$ 9,806,563	$ 12,599,818
BALANCE (in shares) at Dec. 31, 2013	2,012,170
Increase (Decrease) in Stockholders' Equity
Net income			648,770	648,770
Exercise of stock options	$ 608	45,379		45,987
Exercise of stock options (in shares)	6,083
Tax benefit resulting from stock option exercises		25,475		25,475
Stock based compensation and related tax benefit		18,415		18,415
BALANCE at Dec. 31, 2014	$ 201,825	2,681,307	10,455,333	$ 13,338,465
BALANCE (in shares) at Dec. 31, 2014	2,018,253			2,018,253
Increase (Decrease) in Stockholders' Equity
Net income			135,007	$ 135,007
Stock based compensation and related tax benefit		21,743		21,743
BALANCE at Dec. 31, 2015	$ 201,825	$ 2,703,050	$ 10,590,340	$ 13,495,215
BALANCE (in shares) at Dec. 31, 2015	2,018,253			2,018,253