Organization and Operations (Narrative) (Details)	Feb. 28, 2015 acre
Option to acquire right, title and interest of mineral property	50.00%
Claim block area	2,402us-gaap_AreaOfLand

Option to acquire right, title and interest of mineral property

No definition available.

Name:	tjmi_MineralPropertyPercentageInterestOption
Namespace Prefix:	tjmi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant