Note 17 - Segment Financial Results (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
CalFirst Bank [Member]
Total interest income									$ 26,334,000	$ 21,092,000	$ 17,062,000
Net interest income after provision for credit losses									18,331,000	15,730,000	13,783,000
Non-interest income									2,300,000	3,947,000	2,520,000
Net earnings									7,232,000	6,367,000	5,081,000
	$ 852,056,000				$ 671,785,000				852,056,000	671,785,000	518,940,000
CalFirst Leasing [Member]
Total interest income									1,358,000	1,912,000	2,678,000
Net interest income after provision for credit losses									1,676,000	2,154,000	2,720,000
Non-interest income									2,586,000	4,762,000	3,044,000
Net earnings									2,376,000	3,577,000	2,817,000
	78,183,000				90,337,000				78,183,000	90,337,000	92,787,000
Bancorp and Eliminating Entries [Member]
Total interest income									9,000	1,000	1,000
Net interest income after provision for credit losses									9,000	1,000	1,000
Non-interest income
Net earnings									(960,000)	(889,000)	(847,000)
	(42,063,000)				(31,048,000)				(42,063,000)	(31,048,000)	(32,177,000)
Total interest income	8,044,000	$ 6,837,000	$ 6,570,000	$ 6,250,000					27,701,000	23,005,000	19,741,000
Net interest income after provision for credit losses	5,981,000	5,022,000	4,556,000	4,457,000	4,684,000	$ 4,674,000	$ 4,403,000	$ 4,124,000	20,016,000	17,885,000	16,504,000
Non-interest income	2,785,000	497,000	708,000	896,000	530,000	967,000	4,665,000	2,547,000	4,886,000	8,709,000	5,564,000
Net earnings	3,755,000	$ 1,611,000	$ 1,558,000	$ 1,724,000	1,360,000	$ 1,678,000	$ 3,557,000	$ 2,459,000	8,648,000	9,055,000	7,051,000
	$ 888,176,000				$ 731,074,000				$ 888,176,000	$ 731,074,000	$ 579,550,000