Net Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Deferred tax assets:
Net operating losses	$ 29,740	$ 28,824
Capital losses	4,153	3,907
Other asset reserves	93	268
Deferred compensation	23	19
Total deferred tax assets	34,009	33,018
Valuation allowance	(32,354)	(31,432)
Deferred tax assets, net	1,655	1,586
Deferred tax liabilities:
State deferreds	(1,655)	(1,586)
Total deferred tax liabilities	(1,655)	(1,586)
Net deferred taxes