Condensed Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net sales	$ 4,101,258	$ 4,357,109
Cost of goods sold	1,627,104	1,904,945
Gross profit	2,474,154	2,452,164
Operating expenses
Research and development	559,604	515,496
Selling and marketing	1,244,566	1,064,544
General and administrative	658,855	542,874
Operating expenses	2,463,025	2,122,914
Income from operations	11,129	329,250
Interest income	38	2,763
Income before income taxes	11,167	332,013
Income tax provision	4,466	134,455
Net income	$ 6,701	$ 197,558
Net income available to common shareholders per common share:
Basic (in dollars per share)	$ 0.00	$ 0.02
Diluted (in dollars per share)	$ 0.00	$ 0.02
Weighted average number of common shares used in per share computations:
Basic (in shares)	10,107,644	10,070,978
Diluted (in shares)	10,198,450	10,131,166