Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Net Capital Requirements of Broker-Dealer Subsidiaries - Additional Information (Detail)
Jun. 30, 2017
USD ($)
Minimum [Member]  
Ratio of Indebtedness to Net Capital 1
Maximum [Member]  
Ratio of Indebtedness to Net Capital 15
National Securities [Member]  
Net Capital $ 10,500,000
Excess Net Capital at 1000 Percent 10,200,000
Minimum Net Capital Required for Broker-Dealer Subsidiary 250,000
Vfinance Investments [Member]  
Net Capital 1,500,000
Excess Net Capital at 1000 Percent 500,000
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