Note 17 - Segment Reporting (Details) - Segment Financial Results - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Total interest income	$ 6,247	$ 5,787	$ 5,714	$ 5,257	$ 5,003	$ 4,849	$ 4,877	$ 5,012	$ 23,005	$ 19,741	$ 21,403
Net interest income after provision for credit losses	4,684	4,674	4,403	4,124	4,050	4,121	4,113	4,220	17,885	16,504	18,464
Other income	530	967	4,665	2,547	1,336	626	2,190	1,412	8,709	5,564	4,831
Net earnings	1,360	$ 1,678	$ 3,557	$ 2,459	1,846	$ 1,190	$ 2,184	$ 1,831	9,055	7,051	7,354
Total assets	731,074				579,550				731,074	579,550	558,903
CalFirst Bank [Member]
Segment Reporting Information [Line Items]
Total interest income									21,092	17,062	16,905
Net interest income after provision for credit losses									15,730	13,783	13,590
Other income									3,947	2,520	2,020
Net earnings									6,367	5,081	4,960
Total assets	671,785				518,940				671,785	518,940	464,864
CalFirst Leasing [Member]
Segment Reporting Information [Line Items]
Total interest income									1,912	2,678	4,493
Net interest income after provision for credit losses									2,154	2,720	4,869
Other income									4,762	3,044	2,811
Net earnings									3,577	2,817	2,817
Total assets	90,337				92,787				90,337	92,787	89,342
Bancorp And Eliminating Entries [Member]
Segment Reporting Information [Line Items]
Total interest income									1	1	5
Net interest income after provision for credit losses									1	1	5
Other income									0	0	0
Net earnings									(889)	(847)	(423)
Total assets	$ (31,048)				$ (32,177)				$ (31,048)	$ (32,177)	$ 4,697