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STOCK PLANS AND STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock options outstanding
  
Three Months Ended
June 30, 2017
  
Three Months Ended
June 30, 2016
 
  
Number of
Shares
  
Weighted
Average
Exercise
Price
  
Number of
Shares
  
Weighted
Average
Exercise
Price
 
Balance, beginning of period
  
220,654
  
$
4.74
   
223,654
  
$
4.73
 
Options exercised
  
(16,511
)
  
4.19
   
-
   
-
 
Expired
  
(5,000
)
  
14.52
   
-
   
-
 
Balance, end of period
  
199,143
  
$
4.54
   
223,654
  
$
4.73
 
Schedule of stock options outstanding, less estimated forfeitures
  
Three Months Ended
June 30,
 
  
2017
  
2016
 
Stock options fully vested and expected to vest:
      
Number
  
199,143
   
223,654
 
Weighted average exercise price
 
$
4.54
  
$
4.73
 
Aggregate intrinsic value (1)
 
$
518,000
  
$
235,000
 
Weighted average contractual term of options (years)
  
3.25
   
4.09
 
Stock options fully vested and currently exercisable:
        
Number
  
199,143
   
223,654
 
Weighted average exercise price
 
$
4.54
  
$
4.73
 
Aggregate intrinsic value (1)
 
$
518,000
  
$
235,000
 
Weighted average contractual term of options (years)
  
3.25
   
4.09
 
         
         (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.