Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net revenues:
Licensing and maintenance	$ 16,670,834	$ 22,591,914	$ 27,480,732
Services	300,000	1,808,938	1,363,781
Total net revenues	16,970,834	24,400,852	28,844,513
Operating expenses:
Licensing and maintenance—cost of net revenues	1,215,776	3,419,271	6,722,221
Services—cost of net revenues	73,000	277,665	144,111
Selling, general and administrative	18,794,273	26,829,636	32,632,237
Research and development	10,333,607	11,380,258	19,055,894
Impairment of goodwill and intangible assets	0	2,590,000	4,054,732
Total operating expenses	30,416,656	44,496,830	62,609,195
Operating loss	(13,445,822)	(20,095,978)	(33,764,682)
Other income (expense):
Net currency transaction gain (loss)	(14,828)	(17,220)	12,156
Gain on sale of eSign	1,304,579	0	0
Net interest expense	(712,527)	(200,456)	(197,989)
Total other income (expense)	577,224	(217,676)	(185,833)
Loss before income tax expense	(12,868,598)	(20,313,654)	(33,950,515)
Income tax expense	12,000	10,610	12,033
Net loss	$ (12,880,598)	$ (20,324,264)	$ (33,962,548)
Loss per common share - basic and diluted (in dollars per share)	$ (0.30)	$ (0.68)	$ (1.41)
Weighted average number of common shares outstanding during the year (in shares)	43,024,449	29,825,854	24,051,126