6. Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Beginning Balance, Amount			$ 31,420
Beginning Balance, Shares			13,588,804
Common stock option exercise and issued, Amount			144
Share - based compensation expense			36
Net income	656	514	1,802	1,116
Ending Balance, Amount	33,402		33,402
Ending Balance, Shares	13,665,087		13,665,087
CommonStockMember
Beginning Balance, Amount			8,153
Beginning Balance, Shares			13,588,804
Common stock option exercise and issued, Amount			46
Common stock option exercise and issued, Shares			76,283
Ending Balance, Amount	8,199		8,199
Ending Balance, Shares	13,665,087		13,665,087
AdditionalPaidInCapitalMember
Beginning Balance, Amount			24,672
Common stock option exercise and issued, Amount			98
Share - based compensation expense			36
Ending Balance, Amount	24,806		24,806
AccumulatedDeficitMember
Beginning Balance, Amount			(1,405)
Net income			1,802
Ending Balance, Amount	$ 397		$ 397