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SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2020
SHAREHOLDERS' EQUITY |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2019 |  | 2018 |
Weighted-average expected life (years) |  | — | (2) | 6.25 |  | 6.25 | ​
Expected volatility rates(1) |  | — |  | 49.45 | % | 52.6 | %
Expected dividend yield |  | — |  | 0 | % | 0 | %
Risk-free interest rate |  | — |  | (0.08) | % | 0.18 | %
Weighted-average exercise price (€) |  | — |  | 3.90 |  | 2.65 | ​
Weighted-average fair value of options granted during the year (€) |  | — |  | 1.93 |  | 1.33 | ​
| (1) | Historical volatility calculated over 10 years.​
| (2) | There was no new plan for the year 2020.​
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2020 |  | 2019 | ​ | 2018
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | average | ​ | ​ | ​ | average | ​ | ​ | ​ | average
​ | ​ | ​ | ​ | exercice | ​ | ​ | ​ | exercice | ​ | ​ | ​ | exercice
​ |  | Options |  | price (€) |  | Options |  | price (€) |  | Options |  | price (€)
Outstanding on January 1, |  | 1,273,900 |  | 2.78 |  | 1,347,600 |  | 2.61 |  | 1,207,600 |  | 2.61
Granted |  | — |  | — |  | 155,000 |  | 3.90 |  | 165,000 |  | 2.65
Exercised |  | (23,750) |  | 2.54 |  | (143,700) |  | 2.16 |  | — |  | —
Forfeited |  | (21,250) |  | 2.55 |  | (85,000) |  | 1.94 |  | (25,000) |  | 3.05
Expired |  | (42,000) |  | 2.38 |  | — |  | — |  | — |  | —
Outstanding on December 31, |  | 1,186,900 |  | 2.81 |  | 1,273,900 |  | 2.78 |  | 1,347,600 |  | 2.61
Exercisable on December 31, |  | 970,650 |  | 2.73 |  | 818,900 |  | 2.60 |  | 772,600 |  | 2.44
Share purchase options available for grant on December 31, |  | 292,428 |  | ​ |  | 250,428 |  |  |  | 250,428 |  |
​
Share-based Payment Arrangement, Option, Exercise Price Range | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Outstanding options | ​ | Fully vested options (1)
​ | ​ | ​ | ​ | Weighted | ​ | Weighted | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​
​ | ​ | ​ | ​ | average | ​ | average | ​ | Aggregate | ​ | ​ | ​ | average | ​ | Aggregate
​ | ​ | ​ | ​ | remaining | ​ | exercise | ​ | Intrinsic | ​ | ​ | ​ | exercise | ​ | Intrinsic
​ | ​ | ​ | ​ | contractual | ​ | price | ​ | Value | ​ | ​ | ​ | price | ​ | Value
Exercise price (€) |  | Options |  | life |  | (€) |  | (2) |  | Options |  | (€) |  | (2)
3.90 |  | 130,000 |  | 8.8 |  | 3.90 |  | 42,576 |  | 32,500 |  | 3.90 |  | 13,017
3.22 |  | 465,000 |  | 5.3 |  | 3.22 |  | 468,492 |  | 465,000 |  | 3.22 |  | 468,492
2.65 |  | 145,000 |  | 7.7 |  | 2.65 |  | 228,739 |  | 72,500 |  | 2.65 |  | 114,369
2.39 |  | 184,400 |  | 6.3 |  | 2.39 |  | 338,837 |  | 138,150 |  | 2.39 |  | 253,852
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
1.91 |  | 262,500 |  | 2.0 |  | 1.91 |  | 608,346 |  | 262,500 |  | 1.91 |  | 608,346
1.91 to 3.90 |  | 1,186,900 |  | 6.0 |  | 2.81 |  | 1,686,989 |  | 970,650 |  | 2.73 |  | 1,458,076
| (1) | Fully vested options are all exercisable options.
| (2) | The aggregate intrinsic value represents the total pre-tax intrinsic value, based on the Company’s closing stock price of $5.17 at December 31, 2020, which would have been received by the option holders had all in-the-money option holders exercised their options as of that date.
Schedule of Nonvested Share Activity | ​
​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted average
​ | ​ | ​ | ​ | Grant-Date Fair
​ |  | Options |  | Value (€)
Non-vested at January 1, 2018 | ​ | 593,750 | ​ | 1.53
Granted | ​ | 165,000 | ​ | 1.33
Vested | ​ | (180,000) | ​ | 1.56
Forfeited | ​ | (3,750) | ​ | 1.29
Non-vested at December 31, 2018 | ​ | 575,000 | ​ | 1.47
Non-vested at January 1, 2019 | ​ | 575,000 | ​ | 1.47
Granted | ​ | 155,000 | ​ | 1.93
Vested | ​ | (204,000) | ​ | 1.52
Forfeited | ​ | (70,600) | ​ | 1.58
Non-vested at December 31, 2019 | ​ | 455,000 | ​ | 1.58
Non-vested at January 1, 2020 |  | 455,000 |  | 1.58
Granted |  | 0 |  | 0
Vested |  | (235,000) |  | 1.58
Forfeited |  | (3,750) |  | 1.54
Non-vested at December 31, 2020 |  | 216,250 |  | 1.59
​
Schedule of Accumulated Other Comprehensive Income (Loss) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2020
​ | ​ | Foreign currency | ​ | ​ | ​ | ​
​ | ​ | translation | ​ | Provision for | ​ | ​
​ | ​ | adjustment | ​ | retirement indemnities | ​ | Total
Beginning balance |  | (3,234) |  | (203) |  | (3,436)
Other comprehensive income (loss) before reclassifications |  | — |  | — |  | —
Reclassified from accumulated other comprehensive loss |  | — |  | — |  | —
Net current-period other comprehensive income (loss) |  | 410 |  | (38) |  | 372
Ending balance |  | (2,824) |  | (241) |  | (3,064)
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, 2019
​ | ​ | Foreign currency | ​ | ​ | ​ | ​
​ | ​ | translation | ​ | Provision for | ​ | ​
​ | ​ | adjustment | ​ | retirement indemnities | ​ | Total
Beginning balance |  | (3,173) |  | (577) |  | (3,748)
Other comprehensive income (loss) before reclassifications |  | — |  | — |  | —
Reclassified from accumulated other comprehensive loss |  | — |  | — |  | —
Net current-period other comprehensive income (loss) |  | (61) |  | 374 |  | 313
Ending balance |  | (3,234) |  | (203) |  | (3,436)
​

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