Note 10 - Off-balance-sheet Financial Instruments and Guarantees (Tables)

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]

	September 30,		December 31,
	2015		2014
Commitments to extend credit and unused lines of credit	$	233,308	$	203,496
Standby letters of credit		9,650		6,276
Total financial instrument commitments	$	242,958	$	209,772