Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
NET SALES	$ 20,149,845	$ 20,672,227
COST OF SALES	7,863,800	8,019,481
Gross profit	12,286,045	12,652,746
OPERATING EXPENSES	10,548,554	10,289,956
INCOME FROM OPERATIONS	1,737,491	2,362,790
OTHER (INCOME) EXPENSE:
Interest expense	36,344	23,429
Other, net	(2,651)	39
Total other (income) expense	33,693	23,468
INCOME BEFORE INCOME TAXES	1,703,798	2,339,322
PROVISION FOR INCOME TAXES	472,533	818,325
NET INCOME	1,231,265	1,520,997
Translation adjustment	356,340	637,515
COMPREHENSIVE INCOME	$ 1,587,605	$ 2,158,512
NET INCOME PER COMMON SHARE:
BASIC (in dollars per share)	$ 0.13	$ 0.16
DILUTED (in dollars per share)	$ 0.13	$ 0.16
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING:
BASIC (in shares)	9,308,726	9,698,951
DILUTED (in shares)	9,330,919	9,718,453