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Subsequent Events (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 08, 2019
Jan. 20, 2020
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 24, 2019
Sep. 25, 2018
Dec. 09, 2019
Subsequent Event [Line Items]                  
Recognized compensation cost             $ 719,000 $ 417,000  
Mr. Hoback [Member]                  
Subsequent Event [Line Items]                  
Severance payments             $ 731,000    
Subsequent Event [Member]                  
Subsequent Event [Line Items]                  
Recognized compensation cost $ 1,012,000                
Non-cash stock compensation cost 277,000                
Subsequent Event [Member] | Credit Agreement [Member]                  
Subsequent Event [Line Items]                  
Repayment of certain loans outstanding     $ 250,000 $ 250,000 $ 250,000 $ 250,000      
Subsequent Event [Member] | Mr. Hoback [Member]                  
Subsequent Event [Line Items]                  
Severance payments 629,828                
Chief Executive Officer salary 61,880                
Additional compensation $ 652,113                
Number of Common Stock in respect of all stock options to acquire shares of Common Stock 2,413                
Exercise price $ 1.75                
Number of shares sold by Hoback   43,110              
Sale of stock price per share   $ 1.75              
Subsequent Event [Member] | Mr. Hoback [Member] | 2008 Omnibus Equity Incentive Compensation Plan or its 2018 Omnibus Equity Incentive Plan [Member]                  
Subsequent Event [Line Items]                  
Common stock received in settlement of unvested restricted stock 40,697                
Subsequent Event [Member] | Director and Officers [Member] | Credit Agreement [Member]                  
Subsequent Event [Line Items]                  
Repurchases or redemption equity interest not excid                 $ 100,000