Annual report pursuant to section 13 and 15(d)

Stock Warrants and Options - Summary of Current Warrant Activity (Details)

v2.4.0.8
Stock Warrants and Options - Summary of Current Warrant Activity (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Notes to Financial Statements    
Beginning Balance, number of shares 1,330,953 2,017,382
Beginning Balance, weighted average exercise price $ 0.45 $ 0.43
Warrants expired, number of shares (714,286) (686,429)
Warrants expired, weighted average exercise price $ 0.40 $ 0.40
Ending Balance, number of shares 616,667 1,330,953
Ending Balance, weighted average exercise price $ 0.51 $ 0.45
Ending Balance, Warrants exercisable 616,667  
Ending Balance, Warrants exercisable, weighted average exercise price $ 0.51