XML 41 R34.htm IDEA: XBRL DOCUMENT

Change of Estimate - Additional Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Change in Accounting Estimate [Line Items]
Reduction of net loss	$ 173
Basic and diluted net loss to Common shareholders	$ 0.00

Amount of an unrecognized tax benefit that is directly related to a position taken in a tax year that results in a net operating loss carryforward. This amount is presented as a reduction of the related deferred tax asset in the balance sheet if that deferred tax asset is not used. This amount is presented separately from the deferred tax asset for a net operating loss carryforward if this unrelated tax benefit is associated with a different tax position.

+ References+ Details