Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities
Net loss	$ (326)us-gaap_NetIncomeLoss	$ (176)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash from operating activities
Depreciation	28us-gaap_DepreciationNonproduction	29us-gaap_DepreciationNonproduction
ESOP and other stock based compensation, net	7us-gaap_ShareBasedCompensation	3us-gaap_ShareBasedCompensation
Gain on sale of repossessed assets	(34)us-gaap_GainLossOnSaleOfOtherAssets	(2)us-gaap_GainLossOnSaleOfOtherAssets
Changes in:
Deferred loan costs	1	1
Accrued interest receivable	(9)	12
Other assets	825	(83)
Other liabilities	(32)	41
Net cash from operating activities	460	(175)
Cash flows from investing activities
Principal repayments on mortgage-backed securities	33	44
Calls and maturities of securities available for sale	1,000
Purchase of securities available for sale	(3,000)
Net decrease in loans	2,408	4,040
Sales of repossessed assets	90	3
Expenditures for premises and equipment	(4)	(15)
Net cash from investing activities	527	4,072
Cash flows from financing activities
Net decrease in deposits	(4,414)us-gaap_IncreaseDecreaseInDeposits	(1,698)us-gaap_IncreaseDecreaseInDeposits
Net proceeds from common stock offering	2,504
Funds from termination of MHC	50
Net change in advances from borrowers for taxes and insurance	(218)	(163)
Net cash from financing activities	(2,078)	(1,861)
Net change in cash and cash equivalents	(1,091)	2,036
Cash and cash equivalents at beginning of year	19,014	19,960
Cash and cash equivalents at end of period	17,923	21,966
Supplemental disclosures
Interest paid	93us-gaap_InterestPaid	117us-gaap_InterestPaid
Transfers from loans to repossessed assets	$ 45bffi_TransferOfLoansToRepossessedAssets	$ 67bffi_TransferOfLoansToRepossessedAssets

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