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Condensed Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Operating Activities: |  |
Net income | $ (3,935) | $ (3,985)
Adjustments to reconcile net income to cash and cash equivalents provided by operating activities: |  |
Net change in other assets and liabilities | 1,633 | 193
Net Cash Provided By Operating Activities | 7,358 | 9,292
Financing Activities: |  |
Purchase of treasury stock | (14) | (27)
Cash dividends paid | (2,130) | (2,130)
Net Cash Provided By (Used In) Financing Activities | 15,542 | (18,709)
Net decrease in cash and cash equivalents | 4,288 | (2,652)
Parent Company |  |
Operating Activities: |  |
Net income | 3,922 | 3,972
Adjustments to reconcile net income to cash and cash equivalents provided by operating activities: |  |
Equity in undistributed net income of subsidiaries | (1,857) | (1,915)
Net change in other assets and liabilities | 24 | (4)
Net Cash Provided By Operating Activities | 2,089 | 2,053
Financing Activities: |  |
Exercise of stock options | 0 | 0
Purchase of treasury stock | (14) | (27)
Cash dividends paid | (2,117) | (2,117)
Net Cash Provided By (Used In) Financing Activities | (2,131) | (2,144)
Net decrease in cash and cash equivalents | (42) | (91)
Cash and cash equivalents at beginning of year | 278 | 369
Cash and cash equivalents at end of year | $ 236 | $ 278

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