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Related Party Transactions - Narrative (Details) - USD ($)
Jul. 31, 2017
Jul. 28, 2017
Jul. 27, 2017
Jun. 30, 2017
Dec. 31, 2016
Related Party Transaction [Line Items]          
Long-term debt       $ 10,696,000 $ 10,660,000
Common stock, shares issued (in shares)       36,782,000 36,659,000
Value of common stock issued       $ 4,000 $ 4,000
Subsequent Event          
Related Party Transaction [Line Items]          
Long-term debt   $ 2,200,000      
Main Street Capital Corporation          
Related Party Transaction [Line Items]          
Common shares owned by stockholder (in shares)       7,711,517  
Common shares owned by stockholder, percentage       21.00%  
Main Street Capital Corporation | Subsequent Event          
Related Party Transaction [Line Items]          
Repurchase of common stock (in shares) 7,711,517 7,711,517      
Promissory Note | Promissory Note with Stockholder Representative          
Related Party Transaction [Line Items]          
Long-term debt       $ 1,785,000 $ 1,783,000
Promissory Note | Promissory Note with Stockholder Representative | Subsequent Event          
Related Party Transaction [Line Items]          
Long-term debt $ 0 $ 0 $ 1,784,692    
Promissory Note | Promissory Note with Stockholder Representative | President and CEO          
Related Party Transaction [Line Items]          
Interest in note payable, percentage       27.00%  
Promissory Note | Promissory Note with Stockholder Representative | President and CEO | Subsequent Event          
Related Party Transaction [Line Items]          
Interest in note payable, percentage 27.00%        
Common stock, shares issued (in shares) 1,825,157        
Common stock, shares issued, price per share (in dollars per share) $ 0.383        
Value of common stock issued $ 699,528