Annual report pursuant to Section 13 and 15(d)

Net Capital Requirements of Broker-Dealer Subsidiaries - Additional Information (Detail)

v3.6.0.2
Net Capital Requirements of Broker-Dealer Subsidiaries - Additional Information (Detail)
Dec. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
National Securities [Member]    
Net Capital   $ 6,200,000
Excess Net Capital at 1000 Percent   6,000,000
Minimum Net Capital Required for Broker-Dealer Subsidiary   $ 250,000
Vfinance Investments [Member]    
Net Capital $ 2,200,000  
Excess Net Capital at 1000 Percent 1,200,000  
Minimum Net Capital Required for Broker-Dealer Subsidiary $ 1,000,000  
Vfinance Investments [Member] | Minimum [Member]    
Ratio of Indebtedness to Net Capital 0.8  
Vfinance Investments [Member] | Maximum [Member]    
Ratio of Indebtedness to Net Capital 1