Note 1 - Summary of Significant Interim Accounting Policies (Details) - Options Transactions (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2013
Options Transactions [Abstract]
Outstanding December 31, 2012		614,917
Outstanding December 31, 2012 (in Dollars per share)		$ 11.24
Granted		149,534
Granted (in Dollars per share)		$ 11.32
Exercised	(8,896)	(15,693)
Exercised (in Dollars per share)		$ 8.88
Lapsed		(6,000)
Lapsed (in Dollars per share)		$ 11.02
Cancelled		(14,000)
Cancelled (in Dollars per share)		$ 11.94
Outstanding June 30, 2013		728,758
Outstanding June 30, 2013 (in Dollars per share)		$ 11.30