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Note 8 - Stock Based Compensation | 6 Months Ended
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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.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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