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Stock-Based Compensation (Details) - USD ($)
1 Months Ended 3 Months Ended
Nov. 18, 2020
Oct. 19, 2020
Aug. 07, 2020
Nov. 07, 2019
Aug. 28, 2019
Oct. 31, 2020
Oct. 31, 2019
Stock-Based Compensation (Details) [Line Items]              
Unrecognized compensation expense (in Dollars)           $ 88,000  
Number of Employees, Total [Member]              
Stock-Based Compensation (Details) [Line Items]              
Amount of share purchase (in Dollars)           18,000 $ 22,000
Deferred Stock Units [Member]              
Stock-Based Compensation (Details) [Line Items]              
Unrecognized compensation expense (in Dollars)         $ 139,000 54,000  
Number of non-executive employees, description         On August 28, 2019, the Compensation Committee approved the grant of 90,000 Deferred Stock Units (DSUs) to 11 of its non-executive employees based in Norway and Lithuania.    
Restricted Stock [Member]              
Stock-Based Compensation (Details) [Line Items]              
Options granted   10,619          
Restricted stock, description     On October 19, 2020, the Compensation Committee approved a grant of 10,619 restricted shares of Class B Common Stock to each of Mr. Elliot Gibber and Mr. Howard Jonas which vest immediately.        
Aggregate grant date fair value (in Dollars)   $ 30,000          
Employee Stock [Member]              
Stock-Based Compensation (Details) [Line Items]              
Unrecognized compensation expense (in Dollars)           $ 255,000  
Common Class B [Member]              
Stock-Based Compensation (Details) [Line Items]              
Shares purchased           12,005 14,114
Common Class B [Member] | 2016 Incentive Plan [Member]              
Stock-Based Compensation (Details) [Line Items]              
Inclusive of the additional       230,000      
Aggregate of shares       1,271,000      
Common Class B [Member] | 2016 Incentive Plan [Member]              
Stock-Based Compensation (Details) [Line Items]              
Options granted           162,000  
Common Class B [Member] | Subsequent Event [Member] | 2016 Incentive Plan [Member]              
Stock-Based Compensation (Details) [Line Items]              
Inclusive of the additional 250,000            
Aggregate of shares 1,521,000            
Common Class B [Member] | Employee Stock [Member]              
Stock-Based Compensation (Details) [Line Items]              
Stock, description           the Compensation Committee of the Company’s Board of Directors approved grants of options to purchase an aggregate of 90,849 shares of Class B Stock to twenty individuals including company executives, employees and consultants. Options with respect to 30,000 shares vested upon grant with the remaining options with respect to 60,849 shares vesting over a three-year period. Grant date fair value related to the 30,000 vested options was $32,000 which was expensed immediately. Unrecognized compensation expense related to the 60,849 options grants was an aggregate of $64,000 based on the estimated fair value of the options on the grant date. The unrecognized compensation expense is being recognized on a straight-line basis over the vesting period.  
Common Class B [Member] | Board of Directors [Member]              
Stock-Based Compensation (Details) [Line Items]              
Shares of the Company's Class B common stock   182,000          
Stock exercise price per share (in Dollars per share)   $ 1.73          
Unrecognized compensation expense (in Dollars)   $ 78,000          
Deferred Stock Units [Member]              
Stock-Based Compensation (Details) [Line Items]              
Options granted         90,000 5,625  
Tax withholding obligations (in Dollars)           $ 8,000