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STOCK-BASED COMPENSATION: - Performance-based restricted stock units (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2020 | Mar. 31, 2021
Acuity Data |  |  |
Share-based compensation |  |  |
Business combination, contingent consideration, liability | $ 2,987 |  | $ 2,208
Business combination, contingent consideration, liability, expected costs | 1,700 |  |
Acuity Data | Accrued Liabilities |  |  |
Share-based compensation |  |  |
Business combination, contingent consideration, liability | $ 3,000 |  |
Restricted stock units | Performance stock |  |  |
Share-based compensation |  |  |
Granted (in shares) | 191,393 |  |
Aggregate fair value of restricted stock units granted | $ 9,700 |  |
Forfeited in period (in shares) | 79,680 |  |
Outstanding at the end of the period (in shares) | 721,794 |  | 631,869
Vesting in period (in shares) | 21,788 |  |
The total fair value of performance-based restricted stock units | $ 1,000 |  |
Restricted stock units | Performance stock | Operating Metrics Performance Plan |  |  |
Share-based compensation |  |  |
Granted (in shares) | 133,978 |  |
Aggregate fair value of restricted stock units granted | $ 6,300 |  |
Restricted stock units | Performance stock | Minimum | Operating Metrics Performance Plan |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 0.00% |  |
Restricted stock units | Performance stock | Maximum | Operating Metrics Performance Plan |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 200.00% |  |
Restricted stock units | Performance Shares Vesting Total Shareholder Return |  |  |
Share-based compensation |  |  |
Granted (in shares) | 57,415 | 60,844 |
Aggregate fair value of restricted stock units granted | $ 3,400 |  |
Restricted stock units | Performance Shares Vesting Total Shareholder Return | Minimum |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 0.00% | 0.00% |
Restricted stock units | Performance Shares Vesting Total Shareholder Return | Maximum |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 200.00% | 200.00% |
Restricted stock units | 2022 Performance-Based Stock Units That Will Vest On The One Year Anniversary Of Attainment | Operating Metrics Performance Plan |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 50.00% |  |
Vesting period | 1 year |  |
Restricted stock units | 2021 Performance Stock |  |  |
Share-based compensation |  |  |
Vesting period | 1 year |  |
Hurdle achievement, percentage | 25.00% |  |
Forfeited in period (in shares) | 38,967 |  |
Outstanding at the end of the period (in shares) | 272,771 |  |
Restricted stock units | 2021 Performance Shares That Will Vest Immediately |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 50.00% |  |
Restricted stock units | 2021 Performance Shares That Will Vest In The Second Quarter Of Fiscal Year 2022 |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 50.00% |  |
Restricted stock units | 2022 Performance-Based Stock Units That Will Vest Immediately | Operating Metrics Performance Plan |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 50.00% |  |
Restricted stock units | Performance Shares Vesting In Three Equal Annual Increments |  |  |
Share-based compensation |  |  |
Vesting in period (in shares) |  | 82,494 |
Restricted stock units | Vesting Based on Relevant Performance Period Over Two Periods at March 31 2022 | Minimum |  |  |
Share-based compensation |  |  |
Award vesting rights percentage |  | 0.00% |
Restricted stock units | Vesting Based on Relevant Performance Period Over Two Periods at March 31 2022 | Maximum |  |  |
Share-based compensation |  |  |
Award vesting rights percentage |  | 200.00% |
Restricted stock units | Performance Shares Vesting Over Two Periods Ending June 30, 2021 |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 57.00% |  |
Forfeited in period (in shares) | 158,939 |  |
Restricted stock units | Performance Shares Vesting Over Two Periods the Second Quarter of Fiscal Year 2022 |  |  |
Share-based compensation |  |  |
Award vesting rights percentage | 10.00% |  |
Forfeited in period (in shares) | 181,582 |  |
Restricted stock units | 2019 Performance Stock |  |  |
Share-based compensation |  |  |
Outstanding at the end of the period (in shares) | 314,211 |  |

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