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v3.21.1

Equity (Details Narrative) - USD ($) $ in Thousands |  | 1 Months Ended | 9 Months Ended | 12 Months Ended | 13 Months Ended
--- | --- | --- | --- | --- | ---
May 27, 2021 | Dec. 31, 2020 | Apr. 30, 2021 | Apr. 30, 2020 | Dec. 31, 2020 | Apr. 30, 2021
Class of Stock [Line Items] |  |  |  |  |  |
Remaining shares available for repurchase |  |  | 5,800,000 |  |  | 5,800,000
Proceeds from exercise of stock options |  |  | $ 686 | $ 276 |  |
Number of common stock options exercise |  |  | 81,041 | 32,551 |  |
Net2phone, Inc. [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of restricted shares issued |  |  |  |  | 50 |
Common stock outstanding percentage |  | 5.00% |  |  |  |
Grant of restricted equity description |  |  | The restricted shares will vest if: (a) for any fiscal quarter of net2phone 2.0 between November 1, 2020 and October 31, 2023, net2phone 2.0 records subscription revenue that is at least $18 million, and (b) as of October 31, 2023, the valuation of net2phone 2.0 is $100 million or more. The restricted shares will also vest in the event, prior to October 31, 2023, net2phone 2.0 or its assets are sold at an equity valuation and on a cash-free basis of $100 million or more, regardless of whether the revenue threshold was satisfied prior thereto. The restricted shares entitle each grantee to proceeds only on a sale, spin-off, initial public offering, or other monetization of net2phone 2.0 and have protection from dilution for the first $15 million invested in the net2phone 2.0 following the grant. |  |  |
Aggregate estimated fair value on grant date recognized over the vesting period |  | $ 200 |  |  | $ 200 |
Class B Common Stock [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Repurchase of shares |  |  | 463,792 | 40,763 |  |
Aggregate purchase price of repurchase |  |  | $ 2,800 | $ 200 |  |
Class B Common Stock [Member] | DSUs [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of common stock issued |  |  | 283,838 |  |  |
Number of common stock vested |  |  | 19,919 |  |  |
Number of common stock unvested |  |  |  |  |  | 154,169
Class B Common Stock [Member] | Employees [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Repurchase of shares |  |  | 109,381 | 37,348 |  |
Aggregate purchase price of repurchase |  |  | $ 1,300 | $ 300 |  |
Common Class B [Member] | Subsequent Event [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of newly issued shares, shares | 35,839 |  |  |  |  |
Number of newly issued shares | $ 1,000 |  |  |  |  |
Maximum [Member] |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of repurchase shares authorised |  |  | 8,000,000.0 |  |  | 8,000,000.0

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