Annual report pursuant to Section 13 and 15(d)

Notes Payable Notes Payable (Bank Loan) (Details)

v3.8.0.1
Notes Payable Notes Payable (Bank Loan) (Details) - USD ($)
Apr. 21, 2017
Nov. 06, 2013
Dec. 31, 2017
Dec. 31, 2016
Revolving Credit Facility        
Debt Instrument [Line Items]        
Amount outstanding     $ 0 $ 0
Securities America | Secured debt | Bank Loan | Line of Credit        
Debt Instrument [Line Items]        
Current borrowing capacity   $ 1,709,000    
Stated percentage   5.50%    
Amount outstanding       153,000
Securities America | Secured debt | Bank Loan | Revolving Credit Facility        
Debt Instrument [Line Items]        
Amount outstanding     216,000 $ 620,000
Term   5 years    
Securities America | Secured debt | Amended and restated loan agreement        
Debt Instrument [Line Items]        
Stated percentage 5.75%      
Amount outstanding     $ 6,563,000  
Debt instrument, face amount $ 8,000,000      
Securities America | Line of Credit | Amended and restated loan agreement | Revolving Credit Facility        
Debt Instrument [Line Items]        
Basis spread on variable rate 2.25%