Summary of Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended						12 Months Ended
	Dec. 31, 2012 Segments	Dec. 31, 2011	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 Option [Member]	Dec. 31, 2011 Option [Member]	Dec. 31, 2011 Option [Member] Minimum [Member]	Dec. 31, 2011 Option [Member] Maximum [Member]	Dec. 31, 2012 Warrant [Member]	Dec. 31, 2011 Warrant [Member]	Dec. 31, 2010 Warrant [Member]
Summary of Significant Accounting Policies (Textual)
Stock options vesting period for employees			3 months	3 years
Shares issuable upon exercise of outstanding derivative instruments					1,457,724	1,544,242			2,843,338	2,701,569
Weighted average exercise price of outstanding derivative instruments					$ 3.20				$ 3.13	$ 4.40	$ 4.40
Intangible assets, estimated useful life			11 years	16 years
Expected dividend yield	0.00%
Expected life of stock option	4 years
Expected volatility rate	160.00%						123.00%	160.00%
Forfeiture rate	12.00%
Risk free interest rate	0.51%						0.69%	1.47%
Number of active business segments	2
Patent related costs		$ 151,086
Patent write-off cost due to abandonment of patents		88,727
Impairment charge on long-lived assets	0	0
License revenue		5,000,000
Quarterly vesting period of stock options issued to directors upon re-election	1 year
Period of stock option granted to director and employees	10 years
Percentage of options, vested immediately	25.00%
Percentage of options, vested later till three year	25.00%
Period of expiration of option upon termination of employee or director	3 months
Period of re-measurement of option’s price using the Black-Scholes model	3 months
Current income tax expense	0
Deferred income tax expense	0
Recorded tax related interest and penalties	0	0
Liability for uncertain tax positions	$ 0	$ 0