CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Sales:
Product sales	$ 10,411	$ 9,829
Support sales	3,760	2,503
Total net sales	14,171	12,332
Cost of sales:
Product cost of sales	6,087	3,447
Support cost of sales	715	222
Total cost of sales	6,802	3,669
Gross profit	7,369	8,663
Operating expenses:
Research and development	4,401	1,691
Sales and marketing	6,621	4,006
General and administrative	3,637	2,360
Total operating expenses	14,659	8,057
Income (loss) from operations	(7,290)	606
Interest and other income (expense), net	(50)	1
Income (loss) before income taxes	(7,340)	607
Income tax provision (benefit)	(623)	28
Net income (loss)	$ (6,717)	$ 579
Net income (loss) per share - basic (in dollars per share)	$ (0.34)	$ 0.04
Net income (loss) per share - diluted (in dollars per share)	$ (0.34)	$ 0.04
Shares used in computing net income (loss) per share:
Basic (in shares)	19,931	14,547
Diluted (in shares)	19,931	15,064