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Options and warrants (Detail Textuals)			12 Months Ended		12 Months Ended
Options and warrants (Detail Textuals)	Dec. 31, 2012 Board of Directors	Dec. 31, 2012 Incentive Compensation Plan 2008 Employees or Consultant	Dec. 31, 2011 Incentive Compensation Plan 2008 Consultant Stock Options	Dec. 31, 2012 Incentive Compensation Plan 2011	Dec. 31, 2012 Incentive Compensation Plan 2011 Consultant Stock Options	Dec. 31, 2011 Incentive Compensation Plan 2011 Consultants, Directors and Employees Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares authorizes to issue	299,000,000	5,000,000		5,000,000
Number of option granted			1,600,000		0	850,000
Share available for future issuance				4,150,000

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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