11. Income Taxes (Detail) - Table of Income Taxes (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
2012
Total Income Tax Provision	$ 454	$ (438)	$ (327)
Federal Income Tax Provision	747	988	(138)
State Income Tax Provision	113	281	(113)
Total Income Tax Provision	860	1,269	(251)
Current [Member]
2012
Federal Income Tax Provision	379	1,340	2
State Income Tax Provision	27	367	74
Total Income Tax Provision	406	1,707	76
Deferred [Member]
2012
Federal Income Tax Provision	368	(352)	(140)
State Income Tax Provision	86	(86)	(187)
Total Income Tax Provision	$ 454	$ (438)	$ (327)