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Stock Option Plans (Details) (USD $)
 6 Months Ended
Jun. 30, 2012
Y
Summary of option activity for employees and non-employees  
Number of Option, Beginning Balance 1,139,282
Weighted Averaged Exercise Price, Beginning Balance $ 0.89
Weighted Average Remaining Contractual Life, Beginning balance 3.62
Aggregate Intrinsic Option Value, Beginning balance $ 1,000
Number of Option, Granted 133,333
Weighted Averaged Exercise Price, Granted $ 0.75
Weighted Average Remaining Contractual Life, Granted 4.53
Aggregate Intrinsic Option Value, Granted   
Number of Option, Exercised   
Weighted Averaged Exercise Price, Exercised   
Weighted Average Remaining Contractual Life, Exercised   
Aggregate Intrinsic Option Value, Exercised   
Number of Option, Forfeited or expired 60,000
Weighted Averaged Exercise Price, Forfeited or Expired $ 1.68
Weighted Average Remaining Contractual Life, Forfeited or Expired   
Aggregate Intrinsic Option Value, Forfeited or Expired   
Number of Option, Ending Balance 1,212,615
Weighted Averaged Exercise Price, Ending Balance $ 0.84
Weighted Average Remaining Contractual Life, Ending balance 3.44
Aggregate Intrinsic Option Value, Ending Balance 3,944
Number of Option, Exercisable 624,291
Weighted Averaged Exercise Price, Exercisable $ 0.80
Weighted Average Remaining Contractual Life, Exercisable 2 years 8 months 1 day
Aggregate Intrinsic Option Value, Exercisable 2,083
Option activity for non-employees [Member]
  
Summary of option activity for employees and non-employees  
Number of Option, Beginning Balance 414,999
Weighted Averaged Exercise Price, Beginning Balance $ 1.87
Weighted Average Remaining Contractual Life, Beginning balance 1.43
Aggregate Intrinsic Option Value, Beginning balance 12,000
Number of Option, Granted   
Weighted Averaged Exercise Price, Granted   
Weighted Average Remaining Contractual Life, Granted   
Aggregate Intrinsic Option Value, Granted   
Number of Option, Exercised   
Weighted Averaged Exercise Price, Exercised   
Weighted Average Remaining Contractual Life, Exercised   
Aggregate Intrinsic Option Value, Exercised   
Number of Option, Forfeited or expired 125,000
Weighted Averaged Exercise Price, Forfeited or Expired $ 1.77
Weighted Average Remaining Contractual Life, Forfeited or Expired   
Aggregate Intrinsic Option Value, Forfeited or Expired   
Number of Option, Ending Balance 289,999
Weighted Averaged Exercise Price, Ending Balance $ 1.91
Weighted Average Remaining Contractual Life, Ending balance 1.51
Aggregate Intrinsic Option Value, Ending Balance 13,000
Number of Option, Exercisable 274,443
Weighted Averaged Exercise Price, Exercisable $ 1.96
Weighted Average Remaining Contractual Life, Exercisable 1 year 5 months 9 days
Aggregate Intrinsic Option Value, Exercisable $ 13,000