Note 17 - Segment Reporting - Segment Financial Results (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Total assets	$ 715,585				$ 888,176				$ 715,585	$ 888,176	$ 731,074
Total interest income	6,300	$ 7,151	$ 8,553	$ 7,244	8,044	$ 6,837	$ 6,570	$ 6,250	29,248	27,701	23,005
Net interest income after provision for credit losses	5,453	5,305	6,005	5,006	5,981	5,022	4,556	4,457	21,769	20,016	17,885
Non-interest income	1,343	1,776	3,405	915	2,785	497	708	896	7,439	4,886	8,709
Net Earnings	2,464	$ 2,511	$ 4,190	$ 1,958	3,755	$ 1,611	$ 1,558	$ 1,724	11,123	8,648	9,055
CalFirst Bank [Member]
Total assets	673,449				852,056				673,449	852,056	671,785
Total interest income									28,337	26,334	21,092
Net interest income after provision for credit losses									20,509	18,331	15,730
Non-interest income									4,126	2,300	3,947
Net Earnings									10,045	7,232	6,367
CalFirst Leasing [Member]
Total assets	67,868				78,183				67,868	78,183	90,337
Total interest income									893	1,358	1,912
Net interest income after provision for credit losses									1,242	1,676	2,154
Non-interest income									3,313	2,586	4,762
Net Earnings									2,588	2,376	3,577
Bancorp and Eliminating Entries [Member]
Total assets	$ (25,732)				$ (42,063)				(25,732)	(42,063)	(31,048)
Total interest income									18	9	1
Net interest income after provision for credit losses									18	9	1
Non-interest income
Net Earnings									$ (1,510)	$ (960)	$ (889)