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STOCKBASED COMPENSATION (Details 5) $ / shares in Units, shares in Thousands, $ in Thousands | 9 Months Ended
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Feb. 28, 2023 USD ($) $ / shares shares
$1.34 |
Options outstanding, ending (in thousands) | shares | shares | 41
Weighted average remaining contractual life (Years) options outstanding | 4 years 7 months 20 days
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 1.34
Option exercisable shares (in thousands) | shares | 41
Weighted average remaining contractual life (Years) options exercisable | 4 years 7 months 20 days
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 1.34
$1.64-$1.86 |
Options outstanding, ending (in thousands) | shares | shares | 413
Weighted average remaining contractual life (Years) options outstanding | 3 years 6 months 25 days
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 1.72
Option exercisable shares (in thousands) | shares | 298
Weighted average remaining contractual life (Years) options exercisable | 3 years 5 months 4 days
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 1.70
$2.03-$2.40 |
Options outstanding, ending (in thousands) | shares | shares | 196
Weighted average remaining contractual life (Years) options outstanding | 2 years 10 months 6 days
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 2.15
Option exercisable shares (in thousands) | shares | 184
Weighted average remaining contractual life (Years) options exercisable | 2 years 8 months 15 days
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 2.15
$2.76-$2.93 |
Options outstanding, ending (in thousands) | shares | shares | 167
Weighted average remaining contractual life (Years) options outstanding | 4 years 11 months 23 days
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 2.92
Option exercisable shares (in thousands) | shares | 50
Weighted average remaining contractual life (Years) options exercisable | 4 years 25 days
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 2.89
$3.46-$3.93 |
Options outstanding, ending (in thousands) | shares | shares | 47
Weighted average remaining contractual life (Years) options outstanding | 1 year 5 months 1 day
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 3.83
Option exercisable shares (in thousands) | shares | 47
Weighted average remaining contractual life (Years) options exercisable | 1 year 5 months 1 day
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 3.83
$8.00-$34.00 |
Options outstanding, ending (in thousands) | shares | shares | 197
Weighted average remaining contractual life (Years) options outstanding | 6 years 2 months 19 days
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 9.63
Option exercisable shares (in thousands) | shares | 32
Weighted average remaining contractual life (Years) options exercisable | 6 years 1 month 20 days
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 10.17
$1.34-$34.00 |
Options outstanding, ending (in thousands) | shares | shares | 1,061
Weighted average remaining contractual life (Years) options outstanding | 4 months 3 days
Weighted average exercise price outstanding, ending | $ / shares | $ / shares | $ 3.54
Option exercisable shares (in thousands) | shares | 652
Weighted average remaining contractual life (Years) options exercisable | 3 years 3 months 29 days
Weighted average exercise price for options exercisable | $ / shares | $ / shares | $ 2.46
Aggregate intrinsic value for options exercisable | | $ | $ 20,151

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