Consolidated Statements of Stockholders’ Equity (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
BALANCE,	$ 46,790,179	$ 42,335,315	$ 46,790,179	$ 42,335,315	$ 44,621,542	$ 37,521,017
BALANCE, shares (in Shares)	11,239,157		11,239,157		11,192,356
Shares issued – stock options exercised			52,722	113,800
Shares issued – stock options exercised, shares (in Shares)			12,200	49,000
Stock-based compensation			48,441	11,686
Cash dividend			(2,549,684)
Net income	1,628,562	1,561,832	5,248,459	4,777,506
Translation adjustment	(721,916)	272,799	(631,301)	(88,694)
Common Stock [Member]
BALANCE,	26,979	26,862	26,979	26,862	26,862	26,775
BALANCE, shares (in Shares)	10,245,534	10,198,733	10,245,534	10,198,733	10,198,733	10,162,442
Shares issued – stock options exercised			29	87
Shares issued – stock options exercised, shares (in Shares)			12,200	36,291
Stock-based compensation			88
Stock-based compensation, shares (in Shares)			34,601
Additional Paid-in Capital [Member]
BALANCE,	5,993,953	5,892,907	5,993,953	5,892,907	5,892,907	5,767,508
Shares issued – stock options exercised			52,693	113,713
Stock-based compensation			48,353	11,686
Treasury Stock [Member]
BALANCE,	(2,894,068)	(2,894,068)	(2,894,068)	(2,894,068)	(2,894,068)	(2,894,068)
Retained Earnings [Member]
BALANCE,	44,206,367	39,019,381	44,206,367	39,019,381	41,507,592	34,241,875
Cash dividend			(2,549,684)
Net income			5,248,459	4,777,506
Accumulated Other Comprehensive Income (Loss) [Member]
BALANCE,	(543,052)	290,233	(543,052)	290,233	88,249	378,927
Translation adjustment			$ (631,301)	$ (88,694)