(8) Share-Based Payment Arrangements (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Recognized share-based compensation expense	$ 4,614,769	$ 5,518,058	$ 8,685,569
Cost of revenues - Product Member
Recognized share-based compensation expense	262	2,960	31,779
Cost of revenues - Support and Service Member
Recognized share-based compensation expense	172,707	461,735	1,117,550
Research and development costs Member
Recognized share-based compensation expense	727,826	1,302,129	2,987,146
Selling and marketing Member
Recognized share-based compensation expense	1,677,469	2,023,370	3,379,518
General and administrative Member
Recognized share-based compensation expense	$ 2,036,505	$ 1,727,864	$ 1,169,576