Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Total
Balance at Dec. 31, 2013	$ 11,407,180	$ (12,283,251)	$ 6,466,388	$ (684,521)	$ 30,099,449	$ 35,005,245
Balance (shares) at Dec. 31, 2013	3,201,102
Net income					4,789,005	4,789,005
Total other comprehensive loss				(962,577)		(962,577)
Stock compensation expense			561,856			561,856
Distribution to shareholders					(1,104,184)	(1,104,184)
Issuance of common stock	$ 225,625		913,086			$ 1,138,711
Issuance of common stock (shares)	90,250					90,250
Balance at Dec. 31, 2014	$ 11,632,805	(12,283,251)	7,941,330	(1,647,098)	33,784,270	$ 39,428,056
Balance (shares) at Dec. 31, 2014	3,291,352
Net income					4,793,525	4,793,525
Total other comprehensive loss				(883,692)		(883,692)
Stock compensation expense			513,986			513,986
Distribution to shareholders					(1,237,400)	(1,237,400)
Issuance of common stock	$ 244,090		1,004,692			$ 1,248,782
Issuance of common stock (shares)	97,636					97,636
Purchase of treasury stock		(679,696)				$ (679,696)
Purchase of treasury stock (shares)	(40,445)
Balance at Dec. 31, 2015	$ 11,876,895	$ (12,962,947)	$ 9,460,008	$ (2,530,790)	$ 37,340,395	$ 43,183,561
Balance (shares) at Dec. 31, 2015	3,348,543