8. Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Beginning Balance, Amount			$ 34,820
Beginning Balance, Shares			13,730,562
Common stock option exercised and issued, Amount			$ 10
Common stock option exercised and issued, Shares			11,187
Share - based compensation expense			$ 26
Realized tax benefit from stock option exercise			380	$ 0
Dividends paid			(1,236)	0
Net income	$ 1,365	$ 78	1,878	617
Unrealized gain on available- for-sales securities, net of tax			773
Repurchase of common stock			(22)	$ 0
Ending Balance, Amount	$ 36,629		$ 36,629
Ending Balance, Shares	13,741,749		13,741,749
Common Stock
Beginning Balance, Amount			$ 8,238
Beginning Balance, Shares			13,730,562
Common stock option exercised and issued, Amount			$ 7
Common stock option exercised and issued, Shares			11,187
Ending Balance, Amount	$ 8,245		$ 8,245
Ending Balance, Shares	13,741,749		13,741,749
Additional Paid In Capital
Beginning Balance, Amount			$ 24,926
Common stock option exercised and issued, Amount			3
Share - based compensation expense			26
Realized tax benefit from stock option exercise			380
Ending Balance, Amount	$ 25,335		25,335
Accumulated Other Comprehensive Income
Beginning Balance, Amount			397
Unrealized gain on available- for-sales securities, net of tax			773
Ending Balance, Amount	1,170		1,170
Retained Earnings
Beginning Balance, Amount			1,259
Dividends paid			(1,236)
Net income			1,878
Ending Balance, Amount	1,901		1,901
Treasury Stock
Beginning Balance, Amount			0
Repurchase of common stock			(22)
Ending Balance, Amount	$ (22)		$ (22)