Note 10 - Capital Resources (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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,	$	20,619	June 30,	June 30,	3-month		5.95	%	December 30,	March 30
	2003			2008	2033	LIBOR				2018	June 30
						+ 3.15%					September 30
											December 30
Cathay Statutory
Trust I	September 17,		20,619	September 17,	September 17,	3-month		5.79	%	December 18,	March 17
	2003			2008	2033	LIBOR				2018	June 17
											+ 3.00% December 17
Cathay Capital
Trust II	December 30,		12,887	March 30,	March 30,	3-month		5.70	%	December 30,	March 30
	2003			2009	2034	LIBOR				2018	June 30
						+ 2.90%					September 30
											December 30
Cathay Capital
Trust III	March 28,		46,392	June 15,	June 15,	3-month		4.27	%	December 15,	March 15
	2007			2012	2037	LIBOR				2018	June 15
						+ 1.48%					September 15
											December 15
Cathay Capital
Trust IV	May 31,		18,619	September 6,	September 6,	3-month		4.14	%	December 6,	March 6
	2007			2012	2037	LIBOR				2018	June 6
						+ 1.4%					September 6
											December 6
Total Junior Subordinated Notes		$	119,136