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STOCK PLANS AND STOCK-BASED COMPENSATION (Tables) | 3 Months Ended
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Jun. 30, 2021
STOCK PLANS AND STOCK-BASED COMPENSATION |
Schedule of activity related to stock options under the Stock Option Plans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Three Months Ended June 30, | ​
​ |  | 2021 | ​ | 2020 |
​ |  | ​ |  | Weighted |  | ​ |  | Weighted |
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | Average | ​
​ | ​ | Number of | ​ | Exercise | ​ | Number of | ​ | Exercise | ​
​ |  | Shares |  | Price |  | Shares |  | Price |
Balance, beginning of period |  | 23,332 | ​ | $ | 2.78 |  | 43,332 | ​ | $ | 2.69 |
Options exercised |  | — | ​ |  | — |  | (5,000) | ​ |  | 1.97 |
Balance, end of period |  | 23,332 | ​ | $ | 2.78 |  | 38,332 | ​ | $ | 2.78 |
Schedule of information on stock options outstanding under the Stock Option Plans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2021 | ​ | 2020 | ​
Stock options fully vested and expected to vest: |  | ​ |  |  | ​ |  | ​
Number |  | ​ | 23,332 |  | ​ | 38,332 | ​
Weighted average exercise price | ​ | $ | 2.78 | ​ | $ | 2.78 | ​
Aggregate intrinsic value (1) | ​ | $ | 101,000 | ​ | $ | 110,000 | ​
Weighted average contractual term of options (years) | ​ |  | 2.04 | ​ |  | 2.85 | ​
Stock options fully vested and currently exercisable: | ​ |  | ​ | ​ |  | ​ | ​
Number | ​ |  | 23,332 | ​ |  | 38,332 | ​
Weighted average exercise price | ​ | $ | 2.78 | ​ | $ | 2.78 | ​
Aggregate intrinsic value (1) | ​ | $ | 101,000 | ​ | $ | 110,000 | ​
Weighted average contractual term of options (years) | ​ |  | 2.04 | ​ |  | 2.85 | ​
(1) | The aggregate intrinsic value of a stock option in the table above represents the total pre-tax intrinsic value (the amount by which the current market value of the underlying stock exceeds the exercise price) that would have been received by the option holders had all option holders exercised. This amount changes based on changes in the market value of the Company’s stock.
Schedule of unvested restricted stock activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Time Based |  | Performance Based |  | Total
​ | ​ | Number | ​ | Weighted | ​ | Number | ​ | Weighted | ​ | Number | ​ | Weighted
​ | ​ | of | ​ | Average | ​ | of | ​ | Average | ​ | of | ​ | Average
​ | ​ | Unvested | ​ | Market | ​ | Unvested | ​ | Market | ​ | Unvested | ​ | Market
Three Months Ended June 30, 2020 |  | Shares |  | Price |  | Shares |  | Price |  | Shares |  | Price
Balance, beginning of period |  | 49,298 | ​ | $ | 8.35 |  | 33,375 | ​ | $ | 8.35 |  | 82,673 | ​ | $ | 8.35
Granted |  | — | ​ |  | — |  | — | ​ |  | — |  | — | ​ |  | —
Forfeited |  | — | ​ |  | — |  | — | ​ |  | — |  | — | ​ |  | —
Vested |  | (23,135) | ​ |  | 8.35 |  | — | ​ |  | — |  | (23,135) | ​ |  | 8.35
Cancelled |  | — | ​ |  | — |  | (7,913) | ​ |  | 8.35 |  | (7,913) | ​ |  | 8.35
Balance, end of period |  | 26,163 | ​ | $ | 8.35 |  | 25,462 | ​ | $ | 8.35 |  | 51,625 | ​ | $ | 8.35

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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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