Note 9 - Capital Resources (Tables)

12 Months Ended

Dec. 31, 2021

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		3.37	%	December 31,	March 31
	2003			2008	2033	LIBOR				2021	June 30
						+ 3.15%					September 30
											December 31
Cathay Statutory
Trust I	September 17,		20,619	September 17,	September 17,	3-month		3.22	%	December 17,	March 17
	2003			2008	2033	LIBOR				2021	June 17
						+ 3.00%					September 17
											December 17
Cathay Capital
Trust II	December 30,		12,887	March 30,	March 30,	3-month		3.12	%	December 31,	March 31
	2003			2009	2034	LIBOR				2021	June 30
						+ 2.90%					September 30
											December 31
Cathay Capital
Trust III	March 28,		46,392	June 15,	June 15,	3-month		1.68	%	December 15,	March 15
	2007			2012	2037	LIBOR				2021	June 15
						+ 1.48%					September 15
											December 15
Cathay Capital
Trust IV	May 31,		18,619	September 6,	September 6,	3-month		1.58	%	December 6,	March 7
	2007			2012	2037	LIBOR				2021	June 6
						+ 1.4%					September 6
											December 6
Total Junior Subordinated Notes		$	119,136