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STOCK PLANS AND STOCK-BASED COMPENSATION - Additional information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of issuance of common stock |  |  |  |  | 1,800,000
Total intrinsic value of stock options exercised |  |  | $ 17,000 | $ 238,000 |
Stock options exercised (in shares) |  |  | 5,000 | 58,000 |
Stock options |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of stock options granted |  |  | 0 | 0 |
Unrecognized compensation expense | $ 0 |  | $ 0 |  |
Maximum term of stock options granted |  |  | 10 years |  |
Stock based Compensation Expense |  |  | $ 0 | $ 0 |
Stock options | Minimum |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 0 years |  |
Stock options | Maximum |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 5 years |  |
Restricted stock |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of stock awards granted | 90,763 |  | 90,763 | 82,673 |
Unrecognized compensation expense | $ 516,000 |  | $ 516,000 |  |
Cancelled |  |  | (7,913) |  |
Weighted Average Market Price |  |  | $ 8.35 |  |
Stock based Compensation Expense | $ 155,000 | $ 58,000 | $ 184,000 | $ 227,000 |
Restricted stock | Weighted average |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 2 years 1 month 13 days |  |
Performance Based |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of stock awards granted |  |  | 71,310 | 33,375 |
Cancelled |  |  | (7,913) |  |
Weighted Average Market Price |  |  | $ 8.35 |  |
Time Based |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of stock awards granted | 19,453 |  | 19,453 | 49,298 |
Trust Company | Stock options |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of stock options granted |  |  | 0 | 0 |
Unrecognized compensation expense | $ 22,000 |  | $ 22,000 |  |
Trust Company | Stock options | President and Chief Executive Officer |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of stock options outstanding | 1,000 | 2,500 | 1,000 | 2,500 |
Number of stock options exercised |  |  | 0 | 0 |
Stock based Compensation Expense | $ 11,000 | $ 22,000 | $ 11,000 | $ 22,000 |

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