XML 22 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Shareholders' Equity Outstanding Warrants by Exercise Price Range (Details) (USD $)
Dec. 31, 2011
Warrants Outstanding by Exercise Price Range [Line Items]  
Warrants and Rights Outstanding 37,389,825
Warrants Outstanding, Weighted Average Remaining Contractual Term 3.9
Warrants Outstanding, Weighted Average Exercise Price $ 2.35
Warrants and Rights Exercisable 35,931,825
Warrants Exercisable, Weighted Average Remaining Contractual Term 3.8
Warrants Exercisable, Weighted Average Exercise Price $ 2.24
$0.56 - $1.45 [Member]
  
Warrants Outstanding by Exercise Price Range [Line Items]  
Warrants and Rights Outstanding 11,263,500
Warrants Outstanding, Weighted Average Remaining Contractual Term 4.5
Warrants Outstanding, Weighted Average Exercise Price $ 1.42
Warrants and Rights Exercisable 10,805,500
Warrants Exercisable, Weighted Average Remaining Contractual Term 4.5
Warrants Exercisable, Weighted Average Exercise Price $ 1.44
$1.46 - $2.10 [Member]
  
Warrants Outstanding by Exercise Price Range [Line Items]  
Warrants and Rights Outstanding 7,933,635
Warrants Outstanding, Weighted Average Remaining Contractual Term 4
Warrants Outstanding, Weighted Average Exercise Price $ 1.75
Warrants and Rights Exercisable 7,933,635
Warrants Exercisable, Weighted Average Remaining Contractual Term 4
Warrants Exercisable, Weighted Average Exercise Price $ 1.75
$2.11 - $2.53 [Member]
  
Warrants Outstanding by Exercise Price Range [Line Items]  
Warrants and Rights Outstanding 13,032,512
Warrants Outstanding, Weighted Average Remaining Contractual Term 3.3
Warrants Outstanding, Weighted Average Exercise Price $ 2.50
Warrants and Rights Exercisable 13,032,512
Warrants Exercisable, Weighted Average Remaining Contractual Term 3.3
Warrants Exercisable, Weighted Average Exercise Price $ 2.50
$2.54 - $5.99 [Member]
  
Warrants Outstanding by Exercise Price Range [Line Items]  
Warrants and Rights Outstanding 2,929,928
Warrants Outstanding, Weighted Average Remaining Contractual Term 4.5
Warrants Outstanding, Weighted Average Exercise Price $ 3.73
Warrants and Rights Exercisable 2,929,928
Warrants Exercisable, Weighted Average Remaining Contractual Term 4.5
Warrants Exercisable, Weighted Average Exercise Price $ 3.73
$6.00 - $7.00 [Member]
  
Warrants Outstanding by Exercise Price Range [Line Items]  
Warrants and Rights Outstanding 2,230,250
Warrants Outstanding, Weighted Average Remaining Contractual Term 3.4
Warrants Outstanding, Weighted Average Exercise Price $ 6.51
Warrants and Rights Exercisable 1,230,250
Warrants Exercisable, Weighted Average Remaining Contractual Term 1.2
Warrants Exercisable, Weighted Average Exercise Price $ 6.11