6. Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Beginning Balance, Amount			$ 31,420
Beginning Balance, Shares			13,588,804
Common stock option exercise and issued, Amount			126
Share - based compensation expense			25
Net income	672	197	1,147	602
Ending Balance, Amount	32,718		32,718
Ending Balance, Shares	13,653,087		13,653,087
CommonStockMember
Beginning Balance, Amount			8,153
Beginning Balance, Shares			13,588,804
Common stock option exercise and issued, Amount			39
Common stock option exercise and issued, Shares			64,283
Ending Balance, Amount	8,192		8,192
Ending Balance, Shares	13,653,087		13,653,087
AdditionalPaidInCapitalMember
Beginning Balance, Amount			24,672
Common stock option exercise and issued, Amount			87
Share - based compensation expense			25
Ending Balance, Amount	24,784		24,784
AccumulatedDeficitMember
Beginning Balance, Amount			(1,405)
Net income			1,147
Ending Balance, Amount	$ (258)		$ (258)