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Long-term debts, net - Schedule of Long-term Debts, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Principal amount	$ 54,437
Add: PIK interest accrued to the principal balance	463	$ 96
Long-term debt, net	50,939	50,918
Current portion of long-term debt	2,250	2,250
Long-term debt, net	48,689	48,668
12% Term Loan, Due 2020 [Member]
Debt Instrument [Line Items]
Principal amount	40,909	41,271
10% Promissory Notes, Due 2021 [Member]
Debt Instrument [Line Items]
Principal amount	$ 9,567	$ 9,551

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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