Organization and nature of operations (Details 3) - shares	Jul. 28, 2015	Jun. 30, 2015	Dec. 31, 2014
Organization and nature of operations
Common Stock, Shares Authorized		35,000,000	35,000,000
Subsequent event
Organization and nature of operations
Common Stock, Shares Authorized	100,000,000
Preferred Stock, Shares Authorized	5,000,000