Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Retained Earnings [Member]	Common Stock [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2014	$ 13,844,249	$ 72,256	$ (375,516)	$ 13,540,989
Net income	285,398			285,398
Dividends reversion				(194,250)
Balance at Jun. 30, 2015	13,935,397	72,256	(375,516)	13,632,137
Dividends paid	(194,250)			(194,250)
Balance at Dec. 31, 2015	13,750,432	59,335		13,809,767
Net income	102,364			102,364
Dividends reversion	6,507			6,507
Balance at Jun. 30, 2016	$ 13,859,303	$ 59,335		$ 13,918,638