Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Condensed Consolidated Statements of Operations (Unaudited) [Abstract]
Revenue	$ 1,393,800	$ 1,570,900	$ 3,010,800	$ 3,181,500
Costs of revenue	137,300	132,400	249,100	270,900
Gross profit	1,256,500	1,438,500	2,761,700	2,910,600
Operating expenses:
Selling and marketing	561,200	604,800	1,060,200	1,179,300
General and administrative	780,700	1,440,800	1,526,700	2,484,800
Research and development	1,375,600	964,800	2,088,800	2,017,900
Total operating expenses	2,717,500	3,010,400	4,675,700	5,682,000
Loss from operations	(1,461,000)	(1,571,900)	(1,914,000)	(2,771,400)
Other income - change in fair value of warrants liability	4,767,900	666,500	1,319,200	607,900
Other income (expense), net	(200)	1,100	(300)	3,500
Income (loss) from continuing operations before provision for income tax	3,306,700	(904,300)	(595,100)	(2,160,000)
Provision for income taxes	1,600	1,000	2,700	2,000
Income (loss) from continuing operations	3,305,100	(905,300)	(597,800)	(2,162,000)
Loss from discontinued operations	0	(90,900)	0	(121,300)
Net income (loss)	$ 3,305,100	$ (996,200)	$ (597,800)	$ (2,283,300)
Earnings (loss) per share:
Continuing operations - basic (in dollars per share)	$ 0.04	$ (0.01)	$ 0.01	$ (0.03)
Continuing operations - diluted (in dollars per share)	$ 0.03	$ (0.01)	$ 0.01	$ (0.03)
Discontinued operations - basic and diluted (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Loss per share - basic and diluted (in dollars per share)	$ 0.03	$ (0.01)	$ (0.01)	$ (0.03)
Average weighted common shares outstanding - basic (in shares)	85,823,258	81,961,071	84,488,583	81,937,732
Average weighted common share outstanding - diluted (in shares)	101,323,745	81,961,071	84,488,583	81,937,732