Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.5.0.2
Commitments and Contingencies - Additional Information (Detail)
Sep. 30, 2016
USD ($)
Letter of Credit [Member] | National Holdings Corporation [Member]  
Operating Leased Assets [Line Items]  
Collateralized Agreements $ 194,000