Stock Based Compensation (Details) (USD $)	3 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended			3 Months Ended
	Mar. 31, 2013 CompensationPlan	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Stock Options [Member]	Dec. 31, 2012 Stock Options [Member]	Mar. 31, 2013 Nonvested Stock Options [Member]	Mar. 31, 2013 Restricted Stock Awards [Member]	Mar. 31, 2012 Restricted Stock Awards [Member]	Mar. 31, 2013 Restricted Stock Awards [Member] Minimum [Member]	Mar. 31, 2013 Restricted Stock Awards [Member] Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based employee compensation plans	2
Common stock reserved for future issuance of stock options (in shares)	6,000
Share-based compensation expense	$ 28,000	$ 52,000
Vesting period for amortization of unearned compensation related to nonvested awards							7 years		7 years	10 years
Restricted stock awarded to senior management (in shares)							130,000
Vesting period							7 years
Unvested portion of restricted stock						14,000	149,000	28,000
Unearned compensation cost associated with restricted stock awards							480,000
Number of Shares [Roll Forward]
Options outstanding at beginning of year (in shares)				178,000
Granted (in shares)				0
Forfeited (in shares)				0
Exercised (in shares)				0
Options outstanding at end of year (in shares)				178,000	178,000
Options outstanding exercisable at end of year (in shares)				164,000
Weighted Average Exercise Price [Roll Forward]
Options outstanding at beginning of year (in dollars per share)				$ 3.58
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)				$ 3.58	$ 3.58
Options outstanding exercisable at end of year (in dollars per share)				$ 3.72
Average Remaining Contractual Term [Abstract]
Options outstanding at beginning of year				2 years	2 years
Granted				0 years
Forfeited				0 years
Exercised				0 years
Options outstanding at end of year				2 years	2 years
Options outstanding and exercisable at end of year				2 years
Aggregate intrinsic value of options outstanding	137,000		213,000
Aggregate intrinsic value of options exercisable	113,000		145,000
Number of Shares [Roll Forward]
Nonvested stock options at beginning of period (in shares)						28,000		28,000
Granted (in shares)						0
Vested (in shares)						14,000
Forfeited (in shares)						0
Nonvested stock options at end of period (in shares)						14,000	149,000	28,000
Weighted-Average Grant-Date Fair Value [Roll Forward]
Nonvested stock options 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 stock options at end of period (in dollars per share)						$ 1.02
Unearned compensation costs						$ 1,000