Note 6 - Fair Value - Assets and Liabilities Measured at Fair Value on a Non-recurring basis (Detail) $ in Thousands	Jun. 30, 2016 USD ($)
Fair Value, Inputs, Level 1 [Member]
Impaired loans with specific allowance, net for which an adjustment was recorded in the year	$ 0
REO for which a valuation reserve has been recorded in the year	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans with specific allowance, net for which an adjustment was recorded in the year	0
REO for which a valuation reserve has been recorded in the year	0
REO acquired through foreclosure during the year	416	[1]
Fair Value, Inputs, Level 3 [Member]
Impaired loans with specific allowance, net for which an adjustment was recorded in the year	0
REO for which a valuation reserve has been recorded in the year	0
Estimate of Fair Value Measurement [Member]
Impaired loans with specific allowance, net for which an adjustment was recorded in the year	0
REO for which a valuation reserve has been recorded in the year	0
REO acquired through foreclosure during the year	$ 416	[1]

[1] The dollar amount presented is the net of the fair value of the property at acquisition of the REO and the principal and interest owing on the first mortgage assumed of approximately $926,000. The mortgage was paid off in June 2016