Consolidated Statements of Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
BALANCE at Dec. 31, 2013	$ 26,862	$ 5,892,907	$ (2,894,068)	$ 41,507,592	$ 88,249	$ 44,621,542
BALANCE (in Shares) at Dec. 31, 2013	10,198,733
Stock-based compensation	83	(83)
Stock-based compensation (in Shares)	34,601
Net income				1,854,412		1,854,412
Translation adjustment					(129,408)	(129,408)
BALANCE at Mar. 31, 2014	26,945	5,892,824	(2,894,068)	43,362,004	(41,159)	46,346,546
BALANCE (in Shares) at Mar. 31, 2014	10,233,334
BALANCE at Dec. 31, 2014	26,984	6,013,325	(2,894,068)	46,664,829	(688,058)	49,123,012
BALANCE (in Shares) at Dec. 31, 2014	10,245,534
Shares issued – stock option exercise	5	9,915				9,920
Shares issued – stock option exercise (in Shares)	2,000					(2,000)
Stock-based compensation	83	28,981				29,064
Stock-based compensation (in Shares)	34,484
Net income				1,444,407		1,444,407
Translation adjustment					(644,456)	(644,456)
BALANCE at Mar. 31, 2015	$ 27,072	$ 6,052,221	$ (2,894,068)	$ 48,109,236	$ (1,332,514)	$ 49,961,947
BALANCE (in Shares) at Mar. 31, 2015	10,282,018