CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenues	$ 132,082	$ 70,071	$ 16,037
Cost of revenues	26,296	16,465	6,181
Gross profit	105,786	53,606	9,856
Operating expenses:
Engineering and product development	1,057	839	711
Selling and marketing	62,185	28,950	4,499
General and administrative	45,192	5,646	3,069
Total operating expenses	108,434	35,435	8,279
Operating profit (loss)	(2,648)	18,171	1,577
Other income (loss):
Interest and other financing income (expense), net	(68)	(283)	65
Income (loss) before income tax expense (benefit)	(2,716)	17,888	1,642
Income tax (expense) benefit	2,022	(6,287)	3,643
Net income (loss)	$ (694)	$ 11,601	$ 5,285
Net income(loss) per share (Note 1):
Basic (in dollars per share)	$ (0.06)	$ 1.13	$ 0.51
Diluted (in dollars per share)	$ (0.06)	$ 0.99	$ 0.45
Shares used in computing net income (loss) per share:
Basic (in shares)	11,602,049	10,256,364	10,256,364
Diluted (in shares)	11,602,049	11,724,569	11,646,376