STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
BALANCE at Dec. 31, 2012	$ 199,848	$ 2,470,507	$ 9,124,390	$ 11,794,745
BALANCE (in shares) at Dec. 31, 2012	1,998,475
Increase (Decrease) in Stockholders' Equity
Net income			682,173	682,173
Exercise of stock options	1,369	88,029		89,398
Exercise of stock options (in shares)	13,695
Tax benefit resulting from stock option exercises		19,595		19,595
Stock based compensation and related tax benefit		13,907		13,907
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			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