v2.4.0.6
Organization and plan of business operations (Details) (USD $)
0 Months Ended 6 Months Ended 26 Months Ended
Oct. 14, 2010
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Organization and plan of business operations [Abstract]        
Proceeds from issuance of equity $ 40,000,000      
Payments for underwriting compensation 900,000       1,625,494
Proceeds from sale of underwriter's option 100       100
Number of units subject to underwriter's option 200,000     200,000
Units issued in offering pursuant to over-allotment option 600,000      
Proceeds from over-allotment option 6,000,000      
Payment of fees related to over-allotment option 135,000      
Units issued in offering 4,600,000      
Proceeds from initial public offering         46,000,000
Proceeds from sale of warrants in private placement         2,170,000
Number of warrants purchased by the Sponsor 4,340,000      
Warrants purchased by Sponsor, price per warrant $ 0.5      
Percent of trust, value of business combination   80.00%   80.00%
Minimum voting interest that will be acquired   50.00%   50.00%
Trust value, per share issued   $ 10.0    
Trust value, minimum   $ 46,000,000    
Percentage of shareholders required to vote against the Business Combination to block the transaction   49.90%