XML 47 R72.htm IDEA: XBRL DOCUMENT

Composition Of Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Domestic net operating losses	$ 19,529	$ 18,592
Stock option compensation	606	0
Book/tax difference in fixed assets	32
Accrued liabilities and reserves	272	283
Deferred Tax Assets, Gross	20,439	18,875
Valuation allowance	(20,439)	(18,875)
Total deferred tax assets	$ 0	$ 0

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

+ References+ Details

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

+ References+ Details

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References+ Details