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Stock-Based Compensation (Details) - USD ($) | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2020 | Nov. 30, 2019 | Apr. 30, 2021 | Jul. 31, 2021 | Jul. 31, 2020
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Income tax benefit (in Dollars) |  |  |  | $ (202,000) | $ 15,000
Stock option grant date |  |  | 10 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value (in Dollars per share) |  |  | $ 4 |  |
Compensation expense (in Dollars) |  |  |  | 652,000 | 492,000
Stock option proceeds (in Dollars) |  |  |  | $ 3,978,000 | $ 109,000
Stock option grants forfeited |  |  |  | 13,000 | 126,000
Unrecognized compensation expense (in Dollars) |  |  |  | $ 774,000 |
Weighted-average period |  |  |  | 3 years 73 days |
Aggregate fair value (in Dollars) |  |  |  | $ 350,000 |
Aggregate grant date fair value (in Dollars) |  |  |  | $ 30,000 |
Restricted stock, description |  |  |  |  | the Company granted 30,534 restricted shares of its Class B common stock, which vested over a six-month period, to its interim Chief Executive Officer at a grant date fair value of $1.97 per share. The Company also granted 1,411 restricted shares of its Class B common stock, which vested over three years, to Chairman of the Board at a grant date fair value of $1.97 per share.
Non-vested restricted shares |  |  |  | 127,300 |
Compensation expense (in Dollars) |  |  |  | $ 288,000 |
Weighted-average period |  |  |  | 2 years 146 days |
Amount of share purchase (in Dollars) |  |  |  | $ 14,435,000 | $ 2,109,000
Vesting period, description |  |  | vest over a three-year or four -year period. |  |
2016 Incentive Plan [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Income tax benefit (in Dollars) |  |  |  | $ 105,000 | 0
Deferred Stock Units [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Shares purchased |  |  |  | 5,625 |
Unrecognized compensation expense (in Dollars) |  |  |  |  | $ 144,000
Amount of share purchase (in Dollars) |  |  |  | $ 8,000 |
Number of non-executive employees, description |  |  |  |  | In fiscal 2020, the Compensation Committee approved the grant of 92,544 Deferred Stock Units (DSUs) to 13 of its non-executive employees based in Norway and Lithuania.
DSUs aggregate (in Dollars) |  |  |  | $ 39,000 |
Weighted average period |  |  |  | 2 years |
Class B Common Stock [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Shares purchased |  | 230,000 |  | 12,005 | 18,441
Aggregate shares |  | 1,271,000 |  |  |
Options granted |  |  |  | 188,849 | 207,996
Compensation expense (in Dollars) |  |  |  | $ 774,000 | $ 265,000
Stock option proceeds (in Dollars) |  |  |  | $ 873,261 | $ 11,571
Shares issued |  |  |  | 559,840 | 86,197
Restricted shares |  |  |  | 92,593 |
Class B Common Stock [Member] | Non-employee Board of Directors [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Restricted shares |  |  |  | 10,869 | 34,066
Per share (in Dollars per share) |  |  |  | $ 8.22 | $ 1.41
Class B Common Stock [Member] | Mr.Howard Jonas [Member] | Mr.Elliot Gibber [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Restricted shares |  |  |  | 10,619 |
Class B Common Stock [Member] | 2016 Incentive Plan [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Options granted |  |  |  | 212,000 |
Number of Employees, Total [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Amount of share purchase (in Dollars) |  |  |  | $ 18,000 | $ 29,000
2016 Incentive Plan [Member] | Class B Common Stock [Member] |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |
Inclusive of the additional | 250,000 |  |  |  |
Aggregate of shares | 1,521,000 |  |  |  |

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