Quarterly report pursuant to sections 13 or 15(d)

6. Stock Options and warrants (Details)

v2.3.0.11
6. Stock Options and warrants (Details) (USD $)
 6 Months Ended
Jun. 30, 2012
Option [Member]
  
Beginning Balance 24,067,892
Granted 4,850,000
Exercised (18,334)
Forfeited or expired 0
Ending Balance 28,899,558
Vested and exercisable 11,319,558
Weighted Average Exercise Price, Granted $ 0.26
Weighted Average Exercise Price, Exercised $ 0.27
Weighted Average Exercise Price, Outstanding Ending Balance $ 0.3
Weighted Average Exercise Price, Vested and exercisable $ 0.37
Weighted-Average Remaining Contractual Term, Outstanding Ending Balance 8 years 3 months 18 days
Weighted-Average Remaining Contractual Term, Vested and exercisable 7 years 7 months 6 days
Aggregate Intrinsic Value, Granted $ 0
Aggregate Intrinsic Value, Exercised $ 0
Aggregate Intrinsic Value, Forfeited or expired $ 0
Aggregate Intrinsic Value, Outstanding Ending Balance $ 4,397,250
Aggregate Intrinsic Value, Vested and exercisable $ 1,408,650
Warrant [Member]
  
Beginning Balance 49,106,280
Granted 6,583,416
Exercised (1,354,250)
Forfeited or expired (2,644,550)
Ending Balance 51,690,896
Vested and exercisable 49,978,396
Weighted Average Exercise Price, Granted $ 0.30
Weighted Average Exercise Price, Exercised $ 0.35
Weighted Average Exercise Price, Forfeited or expired $ 0.56
Weighted Average Exercise Price, Outstanding Ending Balance $ 0.3
Weighted Average Exercise Price, Vested and exercisable $ 0.3
Weighted-Average Remaining Contractual Term, Outstanding Ending Balance 1 year 6 months
Weighted-Average Remaining Contractual Term, Vested and exercisable 1 year 3 months 18 days
Aggregate Intrinsic Value, Granted $ 0
Aggregate Intrinsic Value, Exercised $ 0
Aggregate Intrinsic Value, Forfeited or expired $ 0
Aggregate Intrinsic Value, Outstanding Ending Balance $ 6,455,175
Aggregate Intrinsic Value, Vested and exercisable $ 6,249,675