Payment of dividend (Details) (USD $)	Dec. 17, 2013	Dec. 12, 2012
Payment of dividend
Payment of a special dividend of per share for shareholders of record	$ 0.10	$ 0.10

Payment of a special dividend of per share for shareholders of record

No definition available.

Name:	fil_PaymentOfASpecialDividendOfPerShareForShareholdersOfRecord
Namespace Prefix:	fil_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant