Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues	$ 10,396,775	$ 13,899,670	$ 26,137,026
Cost of revenues	4,722,069	7,050,209	7,535,616
Gross margin	5,674,706	6,849,461	18,601,410
Operating expenses:
Research and development	3,877,526	5,855,353	5,611,296
Sales and marketing	6,688,591	11,072,172	10,840,340
General and administrative	5,111,616	7,231,875	9,119,001
Total operating expenses	15,677,733	24,159,400	25,570,637
Loss from operations	(10,003,027)	(17,309,939)	(6,969,227)
Interest and other income	21,922	298,301	226,863
Warrants fair value adjustment			(5,175,136)
Net loss before taxes	(9,981,105)	(17,011,638)	(11,917,500)
Income tax benefit		120,490
Net loss	$ (9,981,105)	$ (16,891,148)	$ (11,917,500)
Net loss per common share data, basic and diluted	$ (2.59)	$ (4.40)	$ (4.26)
Weighted average shares used to compute net loss per common share	3,855,080	3,837,582	2,797,306