Note 6 - Stock-based Compensation (Tables)
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6 Months Ended |
Sep. 30, 2018 |
Notes Tables |
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Share-based Compensation, Stock Options, Activity [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Outstanding at Beginning of Period | | $ | 7.93 | | | | 395,000 | | | $ | 8.35 | | | | 322,500 | | Granted | | | 5.90 | | | | 110,000 | | | | 7.41 | | | | 130,000 | | Forfeited | | | 7.83 | | | | (47,500 | ) | | | 9.01 | | | | (52,500 | ) | Outstanding at End of Period | | | 7.45 | | | | 457,500 | | | | 8.01 | | | | 400,000 | | Exercisable at End of Period | | | 8.06 | | | | 287,500 | | | | 7.99 | | | | 230,000 | |
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Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| | | | | | | | | | | Number of options issued | | | 110,000 | | | | 20,000 | | | | 110,000 | | Grant date | |
June 13, 2018 | | |
August 4, 2017 | | |
June 8, 2017 | | Dividend yield | | | 5.42 | % | | | 5.77 | % | | | 4.13 | % | Expected volatility | | | 25.00 | % | | | 25.00 | % | | | 25.00 | % | Risk free interest rate | | | 2.78 | % | | | 1.51 | % | | | 1.47 | % | Contractual term (years) | | | 10.00 | | | | 10.00 | | | | 10.00 | | Expected term (years) | | | 4.00 | | | | 3.00 | | | | 3.00 | | Forfeiture rate | | | 5.00 | % | | | 5.00 | % | | | 5.00 | % | Exercise price (grant-date closing price) per option | | $ | 5.90 | | | $ | 5.55 | | | $ | 7.75 | | Fair value per option | | $ | 0.49 | | | $ | 0.50 | | | $ | 0.85 | |
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Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
| | Three-Month Period Ended September 30, 2018 | | | Three-Month Period Ended October 1, 2017 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Options Granted in Fiscal Year | | | | | | | | | | | | | | | | | | | 2017 | | $ | - | | | $ | - | | | $ | - | | | $ | 6 | | | $ | 5 | | | $ | 11 | | 2018 | | | 3 | | | | 5 | | | | 8 | | | | 4 | | | | 6 | | | | 10 | | 2019 | | | 3 | | | | 3 | | | | 6 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | Total stock option compensation | | $ | 6 | | | $ | 8 | | | $ | 14 | | | $ | 10 | | | $ | 11 | | | $ | 21 | |
| | Six-Month Period Ended September 30, 2018 | | | Six-Month Period Ended October 1, 2017 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Options Granted in Fiscal Year | | | | | | | | | | | | | | | | | | | 2016 | | $ | - | | | $ | - | | | $ | - | | | $ | 6 | | | $ | 1 | | | $ | 7 | | 2017 | | | 6 | | | | 5 | | | | 11 | | | | 16 | | | | 7 | | | | 23 | | 2018 | | | 10 | | | | 13 | | | | 23 | | | | 6 | | | | 7 | | | | 13 | | 2019 | | | 3 | | | | 4 | | | | 7 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | Total stock option compensation | | $ | 19 | | | $ | 22 | | | $ | 41 | | | $ | 28 | | | $ | 15 | | | $ | 43 | |
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Schedule of Share-based Compensation, Nonemployee Director Stock Award Plan, Activity [Table Text Block] |
| | | | | | 28,000 | | | $ | 5.43 | |
August 8, 2018 | 28,000 | | | | 5.50 | | August 9, 2017 | 28,000 | | | | 10.08 | |
August 10, 2016 | 28,000 | | | | 8.20 | |
August 12, 2015 |
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Schedule of Nonvested Share Activity [Table Text Block] |
| | Three-Month Period Ended September 30, 2018 | | | Three-Month Period Ended October 1, 2017 | | | | | | | | | | | | | | | | | | | | | | | Stock Granted in Fiscal Year | | | | | | | | | | | | | | | | | | | 2016 | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 9 | | | $ | 9 | | 2017 | | | - | | | | 12 | | | | 12 | | | | 27 | | | | 36 | | | | 63 | | 2018 | | | 29 | | | | 20 | | | | 49 | | | | 29 | | | | 13 | | | | 42 | | 2019 | | | - | | | | 12 | | | | 12 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | Total stock grant compensation | | $ | 29 | | | $ | 44 | | | $ | 73 | | | $ | 56 | | | $ | 58 | | | $ | 114 | |
| | Six-Month Period Ended September 30, 2018 | | | Six-Month Period Ended October 1, 2017 | | | | | | | | | | | | | | | | | | | | | | | Stock Granted in Fiscal Year | | | | | | | | | | | | | | | | | | | 2016 | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 38 | | | $ | 38 | | 2017 | | | - | | | | 47 | | | | 47 | | | | 54 | | | | 71 | | | | 125 | | 2018 | | | 58 | | | | 39 | | | | 97 | | | | 58 | | | | 13 | | | | 71 | | 2019 | | | - | | | | 12 | | | | 12 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | Total stock grant compensation | | $ | 58 | | | $ | 98 | | | $ | 156 | | | $ | 112 | | | $ | 122 | | | $ | 234 | |
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Performance Shares [Member] |
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Notes Tables |
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Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
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Compensation expense recognized during fiscal year | | | |
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| | 2016 | | | 41,205 | | | | 2017 | | | $ | 7.865 | | | $ | 108,000 | | | $ | 108,000 | | | $ | 108,000 | | | $ | - | | 2017 | | | 42,250 | | | | 2018 | | | | 8.271 | | | | - | | | | 116,000 | | | | 116,000 | | | | 116,000 | |
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Vesting of shares during the
six
-month periods ended
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| | 2017 | | | 41,205 | | | | 20,601 | | | $ | 122,000 | | | $ | 39,000 | | | | 20,604 | | | $ | 167,000 | | | $ | 56,000 | | 2018 | | | 42,250 | | | | 21,125 | | | | 124,000 | | | | 56,000 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Total | | | | 41,726 | | | $ | 246,000 | | | $ | 95,000 | | | | 20,604 | | | $ | 167,000 | | | $ | 56,000 | |
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