Goodwill and Other Intangible Assets (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Amortization Of Preliminary Cost	$ 9,900,839	$ 9,900,839
Amortization Of Accumulated Depr/Amort	(8,953,676)	(8,687,353)
Net Book Value	947,000	1,213,000	1,589,000
Core Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets End Of Useful Life	Nov. 01, 2016	Nov. 01, 2016
Amortization Of Remaining Useful Life (yrs)	1 year 10 months 24 days	2 years 9 months 18 days
Amortization Of Preliminary Cost	5,250,839	5,250,839
Amortization Of Accumulated Depr/Amort	(4,303,676)	(4,037,353)
Net Book Value	947,163	1,213,486
Proprietary software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Acquired Date	Feb. 23, 2006	Feb. 23, 2006
Intangible Assets End Of Useful Life	Feb. 23, 2013	Feb. 23, 2013
Amortization Of Remaining Useful Life (yrs)	0 years	0 years
Amortization Of Preliminary Cost	4,600,000	4,600,000
Amortization Of Accumulated Depr/Amort	(4,600,000)	(4,600,000)
Net Book Value	0	0
Copyrights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets Acquired Date	Feb. 23, 2006	Feb. 23, 2006
Intangible Assets End Of Useful Life	Feb. 23, 2011	Feb. 23, 2011
Amortization Of Remaining Useful Life (yrs)	0 years	0 years
Amortization Of Preliminary Cost	50,000	50,000
Amortization Of Accumulated Depr/Amort	(50,000)	(50,000)
Net Book Value	$ 0	$ 0