Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2016	$ 8,312	$ 23,134,013	$ (369,335)	$ (459,100)	$ 22,313,890
Balance, shares at Dec. 31, 2016	8,312,036		177,000
Exercise of options	$ 7	20,433			20,440
Exercise of options, shares	7,000
Non cash compensation		13,065			13,065
Purchase of treasury shares			$ (172,156)		(172,156)
Purchase of treasury shares, shares			33,102
Dividends paid				(2,475,117)	(2,475,117)
Dividends declared and payable				(891,983)	(891,983)
Net income				3,438,534	3,438,534
Balance at Dec. 31, 2017	$ 8,319	23,167,511	$ (541,491)	(387,666)	22,246,673
Balance, shares at Dec. 31, 2017	8,319,036		210,102
Non cash compensation		13,065			13,065
Purchase of treasury shares			$ (48,743)		(48,743)
Purchase of treasury shares, shares			8,112
Dividends paid				(3,106,842)	(3,106,842)
Dividends declared and payable				(1,158,717)	(1,158,717)
Public offering	$ 1,546	9,881,234			9,882,780
Public offering, shares	1,545,786
Exercise of warrants	$ 9	48,726			48,735
Exercise of warrants, shares	9,369
Net income				4,204,424	4,204,424
Balance at Dec. 31, 2018	$ 9,874	$ 33,110,536	$ (590,234)	$ (448,801)	$ 32,081,375
Balance, shares at Dec. 31, 2018	9,874,191		218,214