Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses and Other Long-Term Liabilities- Accounts Payable and Other Accrued Expenses (Detail)

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Accrued Expenses and Other Long-Term Liabilities- Accounts Payable and Other Accrued Expenses (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Legal $ 1,450 $ 1,253
Other 1,874 2,002
Total $ 24,864 23,871
National Holdings Corporation [Member]    
Legal   752
Audit   263
Telecommunications   178
Data Services   235
Regulatory   623
Settlements   421
Deferred rent   123
Contingent consideration payable   623
Other   1,995
Total   $ 5,213