Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Sales:
Products	$ 15,855,843	$ 13,400,132	$ 45,366,872	$ 40,088,427
Consulting services	793,784	789,741	2,170,426	2,236,639
Total sales	16,649,627	14,189,873	47,537,298	42,325,066
Cost of sales:
Products	6,640,087	5,657,331	19,451,207	17,275,469
Consulting services	447,219	473,621	1,412,616	1,356,904
Total cost of sales	7,087,306	6,130,952	20,863,823	18,632,373
Gross profit	9,562,321	8,058,921	26,673,475	23,692,693
Selling, general and administrative expenses	6,125,438	5,257,664	18,215,810	16,528,574
Research and development expenses	949,678	886,289	3,063,955	3,084,583
Operating income	2,487,205	1,914,968	5,393,710	4,079,536
Other expense, net	(116,923)	(95,308)	(267,105)	(285,990)
Income before income taxes	2,370,282	1,819,660	5,126,605	3,793,546
Income tax expense	696,456	460,999	1,557,803	766,637
Net income	$ 1,673,826	$ 1,358,661	$ 3,568,802	$ 3,026,909
Net income per common share:
Basic (in Dollars per share)	$ 0.30	$ 0.24	$ 0.63	$ 0.55
Diluted (in Dollars per share)	$ 0.29	$ 0.24	$ 0.62	$ 0.53
Weighted average common shares outstanding:
Basic (in Shares)	5,667,810	5,548,201	5,654,620	5,535,687
Diluted (in Shares)	5,775,767	5,684,515	5,767,984	5,673,694
Cash dividends declared per common share (in Dollars per share)	$ 0.11	$ 0.11	$ 0.33	$ 0.33