CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net sales (Notes 2 and 11)	$ 25,032	$ 22,406	$ 17,453
Cost of sales (Note 2)	8,361	8,154	6,171
Gross profit	16,671	14,252	11,282
Operating expenses:
Sales and marketing	9,538	8,946	7,904
Administrative	5,893	6,127	5,028
Research and development (Note 2)	824	1,301	1,088
Settlement benefit (Note 5)	0	(1,024)	0
Total operating expense	16,255	15,350	14,020
Income (loss) from operations	416	(1,098)	(2,738)
Interest income	2	7	28
Interest Expense	(13)	0	0
Income (loss) from operations before taxes	405	(1,091)	(2,710)
Income tax (benefit) (Note 9)	0	0	0
Net income (loss)	$ 405	$ (1,091)	$ (2,710)
Basic income (loss) per share:
Net income (loss) (in dollars per share)	$ 0.03	$ (0.07)	$ (0.18)
Diluted income (loss) per share:
Net income (loss) (in dollars per share)	$ 0.03	$ (0.07)	$ (0.18)
Weighted average common shares outstanding:
Basic (in shares)	15,839	14,843	14,817
Diluted (in shares)	16,276	14,843	14,817