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Note 8 - Stock Based Compensation
6 Months Ended
Sep. 30, 2016
Notes to Financial Statements  
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
8.
Stock Based Compensation
 
Air T, Inc. maintains a stock option plan for the benefit of certain eligible employees and directors, though
no
awards
may
be granted under the plan after
July 29, 2015.
In addition, Delphax maintains a number of stock option plans. Compensation expense is recognized over the requisite service period for stock options which are expected to vest based on their grant-date fair values. The Company uses the Black-Scholes option pricing model to value stock options granted under the Air T, Inc. plan and the Delphax plans. The key assumptions for this valuation method include the expected term of the option, stock price volatility, risk-free interest rate and dividend yield. Many of these assumptions are judgmental and highly sensitive in the determination of compensation expense.
 
No
options were granted or exercised under Air T, Inc.
’s stock option plan during the
six
-month periods ended
September 30, 2016
and
2015.
Stock-based compensation expense with respect to this plan in the amount of
$0
was recognized for the
six
-month periods ended
September 30, 2016
and
2015,
respectively. At
September 30, 2016,
there was
no
unrecognized compensation expense related to the Air T Inc. stock options. During the quarter ended
September 30, 2016,
30,000
stock options expired.
 
A summary of stock option activity occurring during the
three
months ended
September 30, 2016
is presented below:
 
   
Shares
 
         
Outstanding as of March 31, 2016
   
40,000
 
Activity during the three months ended September 30, 2016
       
Granted
   
-
 
Exercised
   
-
 
Canceled (forfeited/expired)
   
(30,000
)
Outstanding as of September 30, 2016
   
10,000
 
Exerciseable as of September 30, 2016
   
10,000
 
 
 
No
options were granted or exercised during the
September 2016
quarter under any of Delphax
’s stock option plans. Delphax did
not
recognize any stock-based compensation expense during the
September 2016
quarter.