Note 4: Loans and Allowance for Loan Losses (Detail) - Recorded Investment in Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	$ 5,412	$ 2,612
Allowance for loan losses ending balance: collectively evaluated for impairment	7,714	8,001
Loans:
Loans ending balance: individually evaluated for impairment	36,131	19,054
Loans ending balance: collectively evaluated for impairment	449,646	470,757
Real Estate Construction [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	454	1,355
Allowance for loan losses ending balance: collectively evaluated for impairment	1,913	1,153
Loans:
Loans ending balance: individually evaluated for impairment	7,677	8,515
Loans ending balance: collectively evaluated for impairment	40,366	36,397
Real Estate Commercial [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	2,247	659
Allowance for loan losses ending balance: collectively evaluated for impairment	2,134	2,066
Loans:
Loans ending balance: individually evaluated for impairment	15,833	5,019
Loans ending balance: collectively evaluated for impairment	160,185	189,837
One to Four Family Units [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	73	127
Allowance for loan losses ending balance: collectively evaluated for impairment	1,501	1,608
Loans:
Loans ending balance: individually evaluated for impairment	1,624	1,819
Loans ending balance: collectively evaluated for impairment	96,832	96,212
Multi-Family Units [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: collectively evaluated for impairment	415	390
Loans:
Loans ending balance: collectively evaluated for impairment	45,816	43,166
Commercial Loans [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	2,595	399
Allowance for loan losses ending balance: collectively evaluated for impairment	1,402	1,549
Loans:
Loans ending balance: individually evaluated for impairment	10,587	3,048
Loans ending balance: collectively evaluated for impairment	86,204	85,040
Consumer and Other Loans [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: individually evaluated for impairment	43	72
Allowance for loan losses ending balance: collectively evaluated for impairment	314	300
Loans:
Loans ending balance: individually evaluated for impairment	410	653
Loans ending balance: collectively evaluated for impairment	20,243	20,105
Unallocated [Member]
Allowance for loan losses:
Allowance for loan losses ending balance: collectively evaluated for impairment	$ 35	$ 935