Stock Option Activity (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Summary of stock option activity under equity incentive plan and warrants issued outside the plan
Number of Options or Warrants Balance outstanding, Beginning Balance	3,555,000
Number of Options or Warrants Granted	0
Number of Options or Warrants Exercised	0
Number of Options or Warrants Expired (vested)	0
Number of Options or Warrants Cancelled (unvested)	0
Number of Options or Warrants Balance outstanding, Ending Balance	3,555,000	3,555,000
Number of Options or Warrants Exercisable, Ending Balance	3,544,235
Weighted Average Exercise Price, Balance outstanding, Beginning Balance	$ 1.67
Weighted Average Exercise Price Granted	$ 0.00
Weighted Average Exercise Price Exercised	$ 0.00
Weighted Average Exercise Price Expired (vested)	$ 0.00
Weighted Average Exercise Price Cancelled (unvested)	$ 0.00
Weighted Average Exercise Price, Balance outstanding, Ending Balance	$ 1.67	$ 1.67
Weighted Average Exercise Price Exercisable, Ending Balance	$ 1.68
Weighted Average Remaining Contractual Life (in years) Beginning Balance	2 years 7 months 6 days	2 years 7 months 6 days
Weighted Average Remaining Contractual Life (in years) Granted	0 years
Weighted Average Remaining Contractual Life (in years) Exercised	0 years
Weighted Average Remaining Contractual Life (in years) Expired (vested)	0 years
Weighted Average Remaining Contractual Life (in years) Cancelled (unvested)	0 years
Weighted Average Remaining Contractual Life (in years) Ending Balance	2 years 7 months 6 days	2 years 7 months 6 days
Weighted Average Remaining Contractual Life (in years) Exercisable, Ending Balance	2 years 6 months 0 days