Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales (Note 2)	$ 7,542	$ 6,018
Cost of sales (Note 2)	2,203	1,678
Gross profit	5,339	4,340
Operating expenses:
Sales and marketing	3,363	3,177
Administration	1,498	1,492
Research and development	188	361
Total operating expense	5,049	5,030
Income (loss) from operations	290	(690)
Interest income	0	2
Income (loss) before income taxes	290	(688)
Income tax (benefit) (Note 5)	0	0
Net income (loss)	$ 290	$ (688)
Basic income (loss) per share:
Net income (loss) (in dollars per share)	$ 0.02	$ (0.05)
Diluted income (loss) per share:
Net income (loss) (in dollars per share)	$ 0.02	$ (0.05)
Weighted average common shares outstanding:
Basic (in shares)	15,752	14,796
Diluted (in shares)	16,199	14,796