Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Components of Notes Payable (Details)

v3.5.0.2
Notes Payable - Components of Notes Payable (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Less: Unamortized debt issuance costs $ (65) $ (253)
Total 50,683 53,921
Unamortized discount 1,165 1,492
Notes payable to finance Securities America acquisition    
Debt Instrument [Line Items]    
Unamortized discount 69 172
Notes payable to KMS' former shareholders    
Debt Instrument [Line Items]    
Unamortized discount 282 343
Notes payable to SSN's former shareholders    
Debt Instrument [Line Items]    
Unamortized discount 814 977
Notes Payable | Notes payable to clearing firm under forgivable loans    
Debt Instrument [Line Items]    
Long-term debt 6,429 6,429
Notes Payable | Notes payable to finance Securities America acquisition    
Debt Instrument [Line Items]    
Long-term debt 17,907 17,804
Notes Payable | Note payable under subsidiary's term loan with bank    
Debt Instrument [Line Items]    
Long-term debt 362 564
Notes Payable | Note payable under subsidiary's revolver with bank    
Debt Instrument [Line Items]    
Long-term debt 841 950
Notes Payable | Notes payable by subsidiary to certain former shareholders of Highland    
Debt Instrument [Line Items]    
Long-term debt 6,738 6,738
Notes Payable | Notes payable to KMS' former shareholders    
Debt Instrument [Line Items]    
Long-term debt 4,787 5,711
Notes Payable | Notes payable to SSN's former shareholders    
Debt Instrument [Line Items]    
Long-term debt 13,084 15,378
Notes Payable | Other    
Debt Instrument [Line Items]    
Long-term debt $ 600 $ 600