Consolidated Statements of Changes in Shareholders' Equity - USD ($)	Total	Common Stock	Additional Paid In Capital	Accumulated Other Comprehensive loss	Retained Earnings
Beginning balance at Dec. 31, 2014	$ 20,032,120	$ 89,142	$ 9,131,952	$ (279,163)	$ 11,090,189
Beginning balance, shares at Dec. 31, 2014		8,914,274
Net income	460,694				460,694
Options exercised		$ 79	(79)
Options exercised, shares		7,844
Common stock issued, net of shares withheld for employee taxes	156,053	$ 613	155,440
Common stock issued, net of shares withheld for employee taxes, Shares		61,256
Foreign currency translation adjustment	(5,279)			(5,279)
Ending balance at Dec. 31, 2015	20,643,588	$ 89,834	9,287,313	(284,442)	11,550,883
Ending balance, shares at Dec. 31, 2015		8,983,374
Net income	2,095,171				2,095,171
Dividends declared	(540,531)				(540,531)
Options exercised	21,600	$ 255	21,345
Options exercised, shares		25,481
Common stock issued, net of shares withheld for employee taxes	297,356	$ 1,380	295,976
Common stock issued, net of shares withheld for employee taxes, Shares		138,082
Foreign currency translation adjustment	(2,113)			(2,113)
Ending balance at Dec. 31, 2016	$ 22,515,071	$ 91,469	$ 9,604,634	$ (286,555)	$ 13,105,523
Ending balance, shares at Dec. 31, 2016		9,146,937