6. Stockholders’ Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Beginning Balance, Amount			$ 30,184
Beginning Balance, Shares			13,545,482
Common stock option exercise and issued, Amount			34
Share-based compensation expense			33
Net income	197	1,246	602	845
Ending Balance, Amount	30,853		30,853
Ending Balance, Shares	13,580,471		13,580,471
CommonStockMember
Beginning Balance, Amount			8,127
Beginning Balance, Shares			13,545,482
Common stock option exercise and issued, Amount			21
Common stock option exercise and issued, Shares			34,989
Ending Balance, Amount	8,148		8,148
Ending Balance, Shares	13,580,471		13,580,471
AdditionalPaidInCapitalMember
Beginning Balance, Amount			24,604
Common stock option exercise and issued, Amount			13
Share-based compensation expense			33
Ending Balance, Amount	24,650		24,650
AccumulatedDeficitMember
Beginning Balance, Amount			(2,547)
Net income			602
Ending Balance, Amount	$ (1,945)		$ (1,945)