Stock Based Compensation - Summarizes Stock Option Activity (Detail) (USD $)	9 Months Ended
	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Number of Shares Outstanding, Beginning Balance
Total Number of Shares, Granted	63,847,938
Total Number of Shares, Exercised
Total Number of Shares, Cancelled
Total Number of Shares Outstanding, Ending Balance	63,847,938
Total Number of Shares, Exercisable	1,895,232
Weighted Average Exercise Price, Beginning Balance
Weighted Average Exercise Price, Granted	$ 0.10
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Cancelled
Weighted Average Exercise Price, Ending Balance	$ 0.10
Weighted Average Exercise Price, Exercisable	$ 0.12
Aggregate Intrinsic Value, Beginning Balance
Aggregate Intrinsic Value, Granted
Aggregate Intrinsic Value, Exercised
Aggregate Intrinsic Value, Cancelled
Aggregate Intrinsic Value, Ending Balance	988,559
Aggregate Intrinsic Value, Options exercisable	14,275
Predecessor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Number of Shares Outstanding, Beginning Balance	5,153,387
Total Number of Shares, Granted	325,000
Total Number of Shares, Exercised
Total Number of Shares, Cancelled	5,001,196
Total Number of Shares Outstanding, Ending Balance	477,191
Total Number of Shares, Exercisable	416,732
Weighted Average Exercise Price, Beginning Balance	$ 3.24
Weighted Average Exercise Price, Granted	$ 0.72
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Cancelled	$ 3.07
Weighted Average Exercise Price, Ending Balance	$ 3.36
Weighted Average Exercise Price, Exercisable	$ 3.50
Aggregate Intrinsic Value, Beginning Balance
Aggregate Intrinsic Value, Granted
Aggregate Intrinsic Value, Exercised
Aggregate Intrinsic Value, Cancelled
Aggregate Intrinsic Value, Ending Balance	216,000
Aggregate Intrinsic Value, Options exercisable	$ 181,125