Note 8 - Loans Receivable, Net and Allowance for Loan Losses - Impaired Loans by Loan Portfolio Class (Details) - USD ($) $ in Thousands | 12 Months Ended |
Dec. 31, 2016 | Dec. 31, 2015 |
Related allowance | $ 39 | $ 40 |
Recorded investment | 1,934 | 1,191 |
Unpaid principal balance | 1,934 | 1,197 |
Average recorded investment | 2,252 | 4,463 |
Interest income recognized | 86 | 201 |
With an allowance recorded: | | |
Related allowance | 39 | 40 |
Total: | | |
Recorded investment | 1,934 | 1,191 |
Unpaid principal balance | 1,934 | 1,197 |
Related allowance | 39 | 40 |
Average recorded investment | 2,252 | 4,463 |
Interest income recognized | 86 | 201 |
Real Estate Portfolio Segment [Member] | One-to-four Family Residential Owner Occupied Loans [Member] | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | 828 |
Interest income recognized, with no related allowance recorded | | 15 |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Recorded investment | | |
Unpaid principal balance | | |
Average recorded investment | | 828 |
Interest income recognized | | 15 |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | 828 |
Interest income recognized, with no related allowance recorded | | 15 |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Total: | | |
Recorded investment | | |
Unpaid principal balance | | |
Related allowance | | |
Average recorded investment | | 828 |
Interest income recognized | | 15 |
Real Estate Portfolio Segment [Member] | One-to-four Family Residential Non-owner Occupied Loans [Member] | | |
Recorded investment, with no related allowance recorded | 925 | 653 |
Unpaid principal balance, with no related allowance recorded | 925 | 659 |
Average recorded investment, with no related allowance recorded | 1,208 | 1,464 |
Interest income recognized, with no related allowance recorded | 56 | 62 |
Recorded investment, with an allowance recorded | 167 | 321 |
Unpaid principal balance, with an allowance recorded | 167 | 321 |
Related allowance | 28 | 33 |
Average recorded investment, with an allowance recorded | 169 | 556 |
Interest income recognized, with an allowance recorded | 8 | 22 |
Recorded investment | 1,092 | 974 |
Unpaid principal balance | 1,092 | 980 |
Average recorded investment | 1,377 | 2,020 |
Interest income recognized | 64 | 84 |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | 925 | 653 |
Unpaid principal balance, with no related allowance recorded | 925 | 659 |
Average recorded investment, with no related allowance recorded | 1,208 | 1,464 |
Interest income recognized, with no related allowance recorded | 56 | 62 |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | 167 | 321 |
Unpaid principal balance, with an allowance recorded | 167 | 321 |
Related allowance | 28 | 33 |
Average recorded investment, with an allowance recorded | 169 | 556 |
Interest income recognized, with an allowance recorded | 8 | 22 |
Total: | | |
Recorded investment | 1,092 | 974 |
Unpaid principal balance | 1,092 | 980 |
Related allowance | 28 | 33 |
Average recorded investment | 1,377 | 2,020 |
Interest income recognized | 64 | 84 |
Real Estate Portfolio Segment [Member] | Multi-family (Five Or More) Residential Loans [Member] | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | 66 |
Interest income recognized, with no related allowance recorded | | 5 |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Recorded investment | | |
Unpaid principal balance | | |
Average recorded investment | | 66 |
Interest income recognized | | 5 |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | 66 |
Interest income recognized, with no related allowance recorded | | 5 |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Total: | | |
Recorded investment | | |
Unpaid principal balance | | |
Related allowance | | |
Average recorded investment | | 66 |
Interest income recognized | | 5 |
Real Estate Portfolio Segment [Member] | Commercial Real Estate Loans [Member] | | |
Recorded investment, with no related allowance recorded | 660 | |
Unpaid principal balance, with no related allowance recorded | 660 | |
Average recorded investment, with no related allowance recorded | 660 | 1,085 |
Interest income recognized, with no related allowance recorded | 7 | 77 |
Recorded investment, with an allowance recorded | 133 | 133 |
Unpaid principal balance, with an allowance recorded | 133 | 133 |
Related allowance | 11 | 7 |
Average recorded investment, with an allowance recorded | 133 | 332 |
Interest income recognized, with an allowance recorded | 9 | 9 |
Recorded investment | 793 | 133 |
Unpaid principal balance | 793 | 133 |
Average recorded investment | 793 | 1,417 |
Interest income recognized | 16 | 86 |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | 660 | |
Unpaid principal balance, with no related allowance recorded | 660 | |
Average recorded investment, with no related allowance recorded | 660 | 1,085 |
Interest income recognized, with no related allowance recorded | 7 | 77 |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | 133 | 133 |
Unpaid principal balance, with an allowance recorded | 133 | 133 |
Related allowance | 11 | 7 |
Average recorded investment, with an allowance recorded | 133 | 332 |
Interest income recognized, with an allowance recorded | 9 | 9 |
Total: | | |
Recorded investment | 793 | 133 |
Unpaid principal balance | 793 | 133 |
Related allowance | 11 | 7 |
Average recorded investment | 793 | 1,417 |
Interest income recognized | 16 | 86 |
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | |
Interest income recognized, with no related allowance recorded | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Recorded investment | | |
Unpaid principal balance | | |
Average recorded investment | | |
Interest income recognized | | |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | |
Interest income recognized, with no related allowance recorded | | |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Total: | | |
Recorded investment | | |
Unpaid principal balance | | |
Related allowance | | |
Average recorded investment | | |
Interest income recognized | | |
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] | | |
Recorded investment, with no related allowance recorded | 49 | 84 |
Unpaid principal balance, with no related allowance recorded | 49 | 84 |
Average recorded investment, with no related allowance recorded | 82 | 87 |
Interest income recognized, with no related allowance recorded | 6 | 7 |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | 45 |
Interest income recognized, with an allowance recorded | | 4 |
Recorded investment | 49 | 84 |
Unpaid principal balance | 49 | 84 |
Average recorded investment | 82 | 132 |
Interest income recognized | 6 | 11 |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | 49 | 84 |
Unpaid principal balance, with no related allowance recorded | 49 | 84 |
Average recorded investment, with no related allowance recorded | 82 | 87 |
Interest income recognized, with no related allowance recorded | 6 | 7 |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | 45 |
Interest income recognized, with an allowance recorded | | 4 |
Total: | | |
Recorded investment | 49 | 84 |
Unpaid principal balance | 49 | 84 |
Related allowance | | |
Average recorded investment | 82 | 132 |
Interest income recognized | 6 | 11 |
Commercial Portfolio Segment [Member] | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | |
Interest income recognized, with no related allowance recorded | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Recorded investment | | |
Unpaid principal balance | | |
Average recorded investment | | |
Interest income recognized | | |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | |
Interest income recognized, with no related allowance recorded | | |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Total: | | |
Recorded investment | | |
Unpaid principal balance | | |
Related allowance | | |
Average recorded investment | | |
Interest income recognized | | |
Consumer Portfolio Segment [Member] | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | |
Interest income recognized, with no related allowance recorded | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Recorded investment | | |
Unpaid principal balance | | |
Average recorded investment | | |
Interest income recognized | | |
With no related allowance recorded: | | |
Recorded investment, with no related allowance recorded | | |
Unpaid principal balance, with no related allowance recorded | | |
Average recorded investment, with no related allowance recorded | | |
Interest income recognized, with no related allowance recorded | | |
With an allowance recorded: | | |
Recorded investment, with an allowance recorded | | |
Unpaid principal balance, with an allowance recorded | | |
Related allowance | | |
Average recorded investment, with an allowance recorded | | |
Interest income recognized, with an allowance recorded | | |
Total: | | |
Recorded investment | | |
Unpaid principal balance | | |
Related allowance | | |
Average recorded investment | | |
Interest income recognized | | |