Notes Payable (Details Textual) (USD $)	12 Months Ended								12 Months Ended				1 Months Ended	12 Months Ended			12 Months Ended			12 Months Ended				12 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 10% convertible promissory note due May 2013 (1) [Member]	May 31, 2012 10% convertible promissory note due May 2013 (1) [Member]	Dec. 31, 2012 10% convertible promissory note due May 2013 (1) [Member] Unrelated party note holders [Member]	Dec. 31, 2011 10% convertible promissory note due May 2013 (1) [Member] Unrelated party note holders [Member]	Dec. 31, 2012 10% convertible promissory notes due March 2013 (2) [Member]	Dec. 31, 2012 7% convertible promissory notes due March 2013 (2) [Member]	Dec. 31, 2012 7% and 10% convertible promissory notes due March 2013 (2) [Member] Notes	Dec. 31, 2011 7% and 10% convertible promissory notes due March 2013 (2) [Member]	Dec. 31, 2012 7% and 10% convertible promissory notes due March 2013 (2) [Member] Unrelated party note holders [Member]	Dec. 31, 2011 7% and 10% convertible promissory notes due March 2013 (2) [Member] Unrelated party note holders [Member]	Feb. 28, 2010 Zero-coupon convertible promissory note due February 2013 (3) [Member]	Dec. 31, 2012 Zero-coupon convertible promissory note due February 2013 (3) [Member]	Dec. 31, 2012 Zero-coupon convertible promissory note due February 2013 (3) [Member] Unrelated party note holders [Member]	Dec. 31, 2011 Zero-coupon convertible promissory note due February 2013 (3) [Member] Unrelated party note holders [Member]	Dec. 31, 2012 24% promissory note due January 2012 (4) [Member]	Dec. 31, 2012 24% promissory note due January 2012 (4) [Member] Unrelated party note holders [Member]	Dec. 31, 2011 24% promissory note due January 2012 (4) [Member] Unrelated party note holders [Member]	Dec. 31, 2012 14% promissory note due January 2013 (5) [Member]	Dec. 31, 2011 14% promissory note due January 2013 (5) [Member]	Dec. 31, 2012 14% promissory note due January 2013 (5) [Member] Unrelated party note holders [Member]	Dec. 31, 2011 14% promissory note due January 2013 (5) [Member] Unrelated party note holders [Member]	Dec. 31, 2012 14% senior promissory notes due April 2013 (6) [Member]	Dec. 31, 2012 14% senior promissory notes due April 2013 (6) [Member] Unrelated party note holders [Member]	Dec. 31, 2012 24% convertible promissory notes issued with detachable warrants [Member]	Dec. 31, 2011 24% convertible promissory notes issued with detachable warrants [Member]
Notes Payable (Textual) [Abstract]
Interest rate on promissory note				10.00%			10.00%	7.00%									24.00%			14.00%				10.00%		24.00%
Notes payable, maturity month year			2013-05														2012-01			2012-01
Notes payable renewal period			1 year
14% promissory note due January 2013 (5)					$ 50,000	$ 50,000					$ 150,000	$ 150,000			$ 230,000	$ 230,000			$ 90,000	$ 100,000		$ 100,000	$ 200,000		$ 1,733,000
Notes payable, maturity date of reissued notes																				Apr. 30, 2012
Notes payable, original maturity date																								Apr. 15, 2012
Notes payable, revised interest rate																								14.00%
Exercise price of warrants issued in conjunction with Notes payable																								0.25		0.25
Term of warrants issued in conjunction notes payable																								5 years
Issued Common Stock				25,000					25,000															7.0		1,000,000
Warrants vesting period			3 years						3 years																	5 years
Common stock, par value	$ 0.01	$ 0.01		$ 0.15					$ 0.25
Number of Notes renewed for additional term									2
Additional term for note renewal										1 year
Proceeds from borrowings	125,000	4,000,000											200,000
Common stock at a conversion price														$ 0.25							$ 0.25
Maturity date									2013-03
Notes payable, current maturity date														May 31, 2013						Apr. 30, 2013				Apr. 15, 2013		Jun. 04, 2011
Common stock conversion price per share																										$ 0.25
Interest expenses																										1,259,000
Recognized interest expense	$ 632,000	$ 519,000																								$ 480,000	$ 648,000