CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues	$ 7,704,047	$ 7,055,202	$ 22,443,005	$ 20,386,381
Cost of revenues	3,734,470	2,879,150	10,786,382	8,644,109
Gross profit	3,969,577	4,176,052	11,656,623	11,742,272
Operating Expenses:
General & administrative	1,155,099	1,075,133	3,467,863	3,075,794
Marketing & selling	1,206,479	1,158,355	3,470,588	3,435,257
Research & development	363,788	203,265	986,201	558,011
Total Operating Expenses	2,725,366	2,436,753	7,924,652	7,069,062
Operating income	1,244,211	1,739,299	3,731,971	4,673,210
Other income (expense)	(33,941)	280	(29,157)	91,993
Net income before provision for income taxes	1,210,270	1,739,579	3,702,814	4,765,203
Provision for income taxes	293,370	687,579	1,172,836	1,827,932
Net income and comprehensive income	$ 916,900	$ 1,052,000	$ 2,529,978	$ 2,937,271
Basic net income per share (in dollars per share)	$ 0.17	$ 0.20	$ 0.47	$ 0.55
Diluted net income per share (in dollars per share)	$ 0.17	$ 0.20	$ 0.47	$ 0.55
Dividends declared per share (in dollars per share)	$ 0.15	$ 0.15	$ 0.45	$ 0.45
Weighted average common shares outstanding, basic (in shares)	5,375,061	5,312,105	5,348,730	5,301,330
Weighted average common shares outstanding, diluted (in shares)	5,389,425	5,330,515	5,375,472	5,314,224