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Subsequent Events (Details) - USD ($)
12 Months Ended
Feb. 14, 2019
Jan. 06, 2019
Dec. 31, 2018
Dec. 31, 2017
Subsequent Event [Line Items]        
Treasury stock repurchased     $ 982,487 $ 112,910
Maxim Group LLC | Private Placement | Subsequent Event        
Subsequent Event [Line Items]        
Number of shares issued (in shares) 769,230      
Share price (in dollars per share) $ 2.60      
Cash fee, percentage of aggregate gross proceeds raised 6.00%      
Maximum payments of stock issuance costs (up to) $ 40,000      
Consideration received $ 1,800,000      
Repurchase of Common Stock | Subsequent Event | Tom Jewell        
Subsequent Event [Line Items]        
Treasury stock repurchased (in shares)   11,860    
Treasury stock repurchased   $ 21,822