Note 4 - Term Deposit (Details)	Mar. 31, 2015	Dec. 31, 2014
Term Deposit [Abstract]
Time Deposits, Weighted Average Interest Rate, Maturities Year One	3.30%	3.30%

Weighted average interest rate for time deposits held by the entity with maturities of one year or less.

No definition available.

Name:	us-gaap_TimeDepositsWeightedAverageInterestRateMaturitiesYearOne
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant