Stock-Based Compensation (Details Textual)	6 Months Ended
	Jun. 30, 2012	May 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation options exercisable period	2015
Share-based compensation arrangement by share based payment award (Textual) [Abstract]
Number of options granted for non-employee director	10,000
Vesting period in years	7 years
Incentive Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares to be issued under incentive stock option plan		2,800,000
Shares for future grants	64,860
Option exercisable rate	25.00%
Option exercisable period	4 years
Options expire period	15 years
Minimum stock price at time of exercise of options, percentage	100.00%
Non-Employee Directors Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares to be issued under incentive stock option plan	205,000
Shares for future grants	30,000
Option exercisable rate	25.00%
Option exercisable period	4 years
Options expire period	15 years
Minimum stock price at time of exercise of options, percentage	100.00%