Share Exchange Agreement, Private Placements and Common Stock Warrants (Tables)
 12 Months Ended
Dec. 31, 2013
Share Exchange Agreement Private Placements and Common Stock Warrants [Abstract]  
Schedule Of Activity Of Warrants Issued Primarily In Connection With Financing [Table Text Block]
A summary of common stock warrant activity, including warrants to purchase common stock that were issued in conjunction with the Company’s private placements, is presented in the tables below. For presentation purposes, warrants that were extended are considered as outstanding for the entire period in which such extension occurs.
 
 
 
 
 
 
 
 
Weighted
 
 
 
 
 
 
 
 
Average
 
 
 
 
 
 
Weighted
 
Remaining
 
 
 
Number
 
Average
 
Contractual
 
 
 
of
 
Exercise
 
Life
 
 
 
Shares
 
Price
 
(in Years)
 
Warrants outstanding at December 31, 2011
 
 
13,454,552
 
$
0.607
 
 
 
 
Issued
 
 
—
 
 
—
 
 
 
 
Exercised
 
 
(6,355,752)
 
 
0.535
 
 
 
 
Expired
 
 
(270,000)
 
 
0.844
 
 
 
 
Warrants outstanding at December 31, 2012
 
 
6,828,800
 
 
0.667
 
 
 
 
Issued
 
 
—
 
 
—
 
 
 
 
Exercised
 
 
—
 
 
—
 
 
 
 
Expired
 
 
—
 
 
—
 
 
 
 
Warrants outstanding at December 31, 2013
 
 
6,828,800
 
$
0.667
 
 
0.67
 
 
 
 
 
 
 
 
 
 
 
 
Warrants exercisable at December 31, 2012
 
 
6,659,840
 
$
0.672
 
 
 
 
Warrants exercisable at December 31, 2013
 
 
6,659,840
 
$
0.672
 
 
0.42
 
Schedule Of Shares Authorized Under Stock Warrants By Exercise Price Range [Table Text Block]
The exercise prices of common stock warrants outstanding and exercisable are as follows at December 31, 2013:
 
 
 
Warrants
 
Warrants
 
Exercise
 
Outstanding
 
Exercisable
 
Prices
 
(Shares)
 
(Shares)
 
 
 
 
 
 
 
 
$
0.500
 
2,253,800
 
2,084,840
 
$
0.750
 
4,575,000
 
4,575,000
 
 
 
 
6,828,800
 
6,659,840