Debt - Presentation - Additional Information (Detail) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	May 23, 2013	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	May 03, 2016
Debt Instrument [Line Items]
Failure to meet covenant				The Company’s cash balance will not be sufficient to satisfy the Company’s operations for the next 12 months from September 30, 2016 or maintain its liquidity covenant, which raises substantial doubt about the Company’s ability to continue as a going concern. The Company estimates that the cash balance will be sufficient to satisfy the Company’s operations into mid-first quarter of 2017.
Senior Secured Debt, net		$ 52,159,000		$ 52,159,000		$ 63,093,000
Other Note Payable, net		5,259,000		5,259,000		6,014,000
Non-cash interest expense				6,206,000	$ 9,083,000
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Other Note Payable, net		5,000,000		$ 5,000,000		4,210,000
Capital Royalty Partners Term Loan [Member]
Debt Instrument [Line Items]
Total potential borrowings	$ 50,000,000
Debt instrument term	6 years
Minimum revenue covenant						$ 50,000,000
Failure to meet covenant				The Company did not meet the minimum revenue covenant of $50 million contained in the Term Loan agreement. Also, the Company did not meet the capital financing targets and was not able to maintain adequate operating cash and working capital all of which triggered the occurrence of a Material Adverse Change as stipulated within the Term Loan agreement.
Extended repayment date				May 03, 2016
Default covenant amount	$ 5,000,000
Non-cash interest expense		$ 1,600,000	$ 3,700,000	$ 10,600,000	$ 12,400,000
Capital Royalty Partners Term Loan [Member] | Restructured Debt [Member]
Debt Instrument [Line Items]
Senior Secured Debt, net							$ 50,000,000
Other Note Payable, net							$ 5,000,000
Capital Royalty Partners Term Loan [Member] | Restructured Debt [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Extended repayment date				Mar. 21, 2021
Capital Royalty Partners Term Loan [Member] | Restructured Debt [Member] | Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Extended repayment date				Sep. 08, 2021