Stock Based Compensation (Details) (USD $) | 3 Months Ended | 12 Months Ended |
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 |
Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Number of stock-based employee compensation plans | 1 | ' | ' |
Share-based compensation expense | $26,000 | $28,000 | ' |
Number of Shares [Roll Forward] | ' | ' | ' |
Options outstanding at beginning of year (in shares) | 114,000 | ' | ' |
Granted (in shares) | 0 | ' | ' |
Forfeited (in shares) | 0 | ' | ' |
Exercised (in shares) | 0 | ' | ' |
Options outstanding at end of year (in shares) | 114,000 | ' | 114,000 |
Options outstanding exercisable at end of year (in shares) | 114,000 | ' | ' |
Weighted Average Exercise Price [Roll Forward] | ' | ' | ' |
Options outstanding at beginning of year (in dollars per share) | $3.08 | ' | ' |
Granted (in dollars per share) | $0 | ' | ' |
Forfeited (in dollars per share) | $0 | ' | ' |
Exercised (in dollars per share) | $0 | ' | ' |
Options outstanding at end of year (in dollars per share) | $3.08 | ' | $3.08 |
Options outstanding exercisable at end of year (in dollars per share) | $3.08 | ' | ' |
Average Remaining Contractual Term [Abstract] | ' | ' | ' |
Options outstanding at beginning of year | '1 year | ' | '1 year |
Granted | '0 years | ' | ' |
Forfeited | '0 years | ' | ' |
Exercised | '0 years | ' | ' |
Options outstanding at end of year | '1 year | ' | '1 year |
Options outstanding and exercisable at end of year | '1 year | ' | ' |
Aggregate intrinsic value of options outstanding | 78,000 | 137,000 | ' |
Aggregate intrinsic value of options exercisable | ' | 113,000 | ' |
Stock Options [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Expiration period after date of grant | '10 years | ' | ' |
Nonvested Stock Options [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Unvested portion of restricted stock (in shares) | 0 | ' | ' |
Number of Shares [Roll Forward] | ' | ' | ' |
Nonvested awards at beginning of period (in shares) | 14,000 | ' | ' |
Granted (in shares) | 0 | ' | ' |
Vested (in shares) | -14,000 | ' | ' |
Forfeited (in shares) | 0 | ' | ' |
Nonvested awards at end of period (in shares) | 0 | ' | ' |
Weighted-Average Grant-Date Fair Value [Roll Forward] | ' | ' | ' |
Nonvested awards at beginning of period (in dollars per share) | $1.02 | ' | ' |
Granted (in dollars per share) | $0 | ' | ' |
Vested (in dollars per share) | $1.02 | ' | ' |
Forfeited (in dollars per share) | $0 | ' | ' |
Nonvested awards at end of period (in dollars per share) | $0 | ' | ' |
Restricted Stock Awards [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Vesting period for amortization of unearned compensation related to nonvested awards | '6 years | ' | ' |
Unearned compensation cost associated with restricted stock awards | $345,000 | ' | ' |
Unvested portion of restricted stock (in shares) | 121,000 | 149,000 | ' |
Number of Shares [Roll Forward] | ' | ' | ' |
Nonvested awards at beginning of period (in shares) | 139,000 | ' | ' |
Granted (in shares) | 0 | ' | ' |
Vested (in shares) | -18,000 | ' | ' |
Forfeited (in shares) | 0 | ' | ' |
Nonvested awards at end of period (in shares) | 121,000 | 149,000 | ' |
Weighted-Average Grant-Date Fair Value [Roll Forward] | ' | ' | ' |
Nonvested awards at beginning of period (in dollars per share) | $3.37 | ' | ' |
Granted (in dollars per share) | $0 | ' | ' |
Vested (in dollars per share) | $3.23 | ' | ' |
Forfeited (in dollars per share) | $0 | ' | ' |
Nonvested awards at end of period (in dollars per share) | $3.39 | ' | ' |
Restricted Stock Awards [Member] | Minimum [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Vesting period for amortization of unearned compensation related to nonvested awards | '7 years | ' | ' |
Restricted Stock Awards [Member] | Maximum [Member] | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ' | ' | ' |
Vesting period for amortization of unearned compensation related to nonvested awards | '10 years | ' | ' |