8. Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Beginning Balance, Amount			$ 34,820
Beginning Balance, Shares			13,730,562
Common stock option exercised and issued, Amount			$ 30
Share - based compensation expense			42
Realized tax benefit from stock option exercise			393	$ 0
Dividends paid			(2,472)	0
Net income	$ 719	$ 212	2,597	829
Unrealized gain on available- for-sales securities, net of tax			1,664
Repurchase of common stock			(83)	$ 0
Ending Balance, Amount	$ 36,991		$ 36,991
Ending Balance, Shares	13,754,749		13,754,749
Common Stock
Beginning Balance, Amount			$ 8,238
Beginning Balance, Shares			13,730,562
Common stock option exercised and issued, Amount			$ 15
Common stock option exercised and issued, Shares			24,187
Ending Balance, Amount	$ 8,253		$ 8,253
Ending Balance, Shares	13,754,749		13,754,749
Additional Paid In Capital
Beginning Balance, Amount			$ 24,926
Common stock option exercised and issued, Amount			15
Share - based compensation expense			42
Realized tax benefit from stock option exercise			393
Ending Balance, Amount	$ 25,376		25,376
Retained Earnings
Beginning Balance, Amount			1,259
Dividends paid			(2,472)
Net income			2,597
Ending Balance, Amount	1,384		1,384
Accumulated Other Comprehensive Income
Beginning Balance, Amount			397
Unrealized gain on available- for-sales securities, net of tax			1,664
Ending Balance, Amount	2,061		2,061
Treasury Stock
Beginning Balance, Amount			0
Repurchase of common stock			(83)
Ending Balance, Amount	$ (83)		$ (83)