Summary of significant accounting policies (Details) (USD $)	Aug. 05, 2013	May 31, 2013	May 31, 2012	Oct. 14, 2009
Significant accounting policies:
Number of shares of authorized common stock existing				100,000,000
Number of shares of authorized common stock increased to after Amendment				300,000,000
Number of outstanding shares of the Company's common became one share of common stock after reverse stock split	100
Number of shares of blank check preferred stock after reverse stock split	10,000,000
Company's authorized capitalization after reverse stock split	300,000,000
Cash and cash equivalents include short-term, highly liquid investments		$ 4,458	$ 12,238
Accounts payable from related parties		$ 10,791	$ 5,481
Company's common shares outstanding		991,162	991,162