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STOCK PLANS AND STOCK-BASED COMPENSATION - Stock options outstanding (Details) - USD ($)
9 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock options fully vested and expected to vest:    
Number 17,332 29,332
Weighted average exercise price $ 2.78 $ 2.78
Aggregate intrinsic value (1) $ 85,000 $ 73,000
Weighted average contractual term of options (years) 1 year 6 months 14 days 2 years 6 months 14 days
Stock options fully vested and currently exercisable:    
Number 17,332 29,332
Weighted average exercise price $ 2.78 $ 2.78
Aggregate intrinsic value (1) $ 85,000 $ 73,000
Weighted average contractual term of options (years) 1 year 6 months 14 days 2 years 6 months 14 days