Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Narrative (Details)

v3.7.0.1
Notes Payable - Narrative (Details) - USD ($)
Apr. 21, 2017
Mar. 09, 2016
Jun. 30, 2017
Dec. 31, 2016
Securities America | Amended and Restated Loan Agreement | Term Loan        
Line of Credit Facility [Line Items]        
Face amount of debt $ 8,000,000      
Interest rate 5.75%      
Revolving Credit Facility        
Line of Credit Facility [Line Items]        
Unused borrowing capacity, amount     $ 40,000,000  
Face amount of debt     40,000,000  
Extension period   5 years    
Revolving Credit Facility | Securities America | Amended and Restated Loan Agreement | Line of Credit        
Line of Credit Facility [Line Items]        
Basis spread on variable rate 2.25%      
Availability under revolving credit facility     1,000,000  
Fair Value | Level 2        
Line of Credit Facility [Line Items]        
Notes payable, net     $ 28,755,000 $ 24,494,000