Note 11 - Capital Resources (Tables)

12 Months Ended

Dec. 31, 2015

Stockholders' Equity Note [Abstract]

Schedule of Subordinated Borrowing [Table Text Block]

		Principal		Not			Current			Date of	Payable/
	Issuance	Balance of		Redeemable	Stated	Annualized	Interest			Rate	Distribution
Trust Name	Date	Notes		Until	Maturity	Coupon Rate	Rate			Change	Date
(Dollars in thousands)
Cathay Capital Trust I	June 26, 2003	$	20,619	June 30, 2008	June 30, 2033	3-month LIBOR + 3.15%		3.75	%	December 30, 2015	March 30 June 30 September 30 December 30
Cathay StatutoryTrust I	September 17, 2003		20,619	September 17, 2008	September 17, 2033	3-month LIBOR + 3.00%		3.53	%	December 17, 2015	March 17 June 17 September 17 December 17
Cathay Capital Trust II	December 30, 2003		12,887	March 30, 2009	March 30, 2034	3-month LIBOR + 2.90%		3.50	%	December 30, 2015	March 30 June 30 September 30 December 30
Cathay Capital Trust III	March 28, 2007		46,392	June 15, 2012	June 15, 2037	3-month LIBOR + 1.48%		1.99	%	December 15, 2015	March 15 June 15 September 15 December 15
Cathay Capital Trust IV	May 31, 2007		18,619	September 6, 2012	September 6, 2037	3-month LIBOR + 1.4%		1.85	%	December 7, 2015	March 6 June 6 September 6 December 6
Total Junior Subordinated Notes		$	119,136