Note 12 - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Inputs, Level 1 [Member] \| Reported Value Measurement [Member] \| Cash and Due from Banks [Member]
Cash and cash equivalents	$ 2,454,000	$ 2,588,000
Fair Value, Inputs, Level 1 [Member] \| Reported Value Measurement [Member] \| Interest-bearing Deposits [Member]
Cash and cash equivalents	43,060,000	82,812,000
Fair Value, Inputs, Level 1 [Member] \| Reported Value Measurement [Member] \| Brokered Deposits [Member]
Deposits	57,185,000	48,154,000
Fair Value, Inputs, Level 1 [Member] \| Estimate of Fair Value Measurement [Member] \| Cash and Due from Banks [Member]
Cash and cash equivalents	2,454,000	2,588,000
Fair Value, Inputs, Level 1 [Member] \| Estimate of Fair Value Measurement [Member] \| Interest-bearing Deposits [Member]
Cash and cash equivalents	43,060,000	82,812,000
Fair Value, Inputs, Level 1 [Member] \| Estimate of Fair Value Measurement [Member] \| Brokered Deposits [Member]
Deposits	57,725,000	48,154,000
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Demand Deposits [Member]
Deposits	77,304,000	85,812,000
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Savings Deposits [Member]
Deposits	130,901,000	106,291,000
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Money Market Deposits [Member]
Deposits	17,230,000	19,508,000
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Negotiable Order of Withdrawal (NOW) Accounts [Member]
Deposits	24,672,000	27,951,000
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member] \| Time Deposits [Member]
Deposits	163,893,000	156,964,000
Fair Value, Inputs, Level 2 [Member] \| Reported Value Measurement [Member]
Available for sale securities, at fair value (Note 2)	23,374	29,377
Other investments	4,450,000	4,450,000
Federal Home Loan Bank and Federal Reserve Bank stock	7,818	8,645
Accrued interest receivable	2,308,000	2,010,000
FHLB Borrowings	135,000,000	132,000,000
Subordinated debentures	8,248,000	8,248,000
Accrued interest payable	180,000	532,000
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Demand Deposits [Member]
Deposits	77,304,000	85,812,000
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Savings Deposits [Member]
Deposits	130,901,000	106,291,000
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Money Market Deposits [Member]
Deposits	17,230,000	19,508,000
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Negotiable Order of Withdrawal (NOW) Accounts [Member]
Deposits	24,672,000	27,951,000
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member] \| Time Deposits [Member]
Deposits	221,105,000	156,964,000
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member]
Available for sale securities, at fair value (Note 2)	23,374	29,377
Other investments	4,450,000	4,450,000
Federal Home Loan Bank and Federal Reserve Bank stock	7,818	8,645
Accrued interest receivable	2,308,000	2,010,000
FHLB Borrowings	135,497,000	132,000,000
Subordinated debentures	8,248,000	8,248,000
Accrued interest payable	180,000	532,000
Fair Value, Inputs, Level 3 [Member] \| Reported Value Measurement [Member]
Loans receivable, net	552,822,000	479,127,000
Note Payable	1,800,000	1,939,000
Fair Value, Inputs, Level 3 [Member] \| Estimate of Fair Value Measurement [Member]
Loans receivable, net	562,114,000	478,160,000
Note Payable	1,780,000	1,939,000
Available for sale securities, at fair value (Note 2)	$ 23,374,000	$ 29,377,000

Fair value portion of interest receivable.

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- Definition

Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock and Federal Reserve Bank Stock.

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- Definition

Fair value portion of investments classified as other.

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Fair value portion of accrued expenses.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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- Definition

Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Fair value portion of notes payable.

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