Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
BALANCE (in shares) at Dec. 31, 2016	2,018,753
BALANCE at Dec. 31, 2016	$ 201,875	$ 2,732,006	$ 10,525,279	$ 13,459,160
Net income (loss)			(226,147)	(226,147)
Exercised, Shares (in shares)	250
Exercise of stock options and related tax benefit	$ 25	1,798		1,823
Common stock repurchased (in shares)	(35,450)
Common stock repurchased	$ (3,545)	(47,975)	(248,946)	(300,466)
Stock based compensation		23,561		$ 23,561
BALANCE (in shares) at Dec. 31, 2017	1,983,553			1,983,553
BALANCE at Dec. 31, 2017	$ 198,355	2,709,390	10,050,186	$ 12,957,931
Net income (loss)			139,465	$ 139,465
Exercised, Shares (in shares)				0
Common stock repurchased (in shares)				0
Stock based compensation		13,634		$ 13,634
BALANCE (in shares) at Dec. 31, 2018	1,983,553			1,983,553
BALANCE at Dec. 31, 2018	$ 198,355	$ 2,723,024	$ 10,189,651	$ 13,111,030