Note 8 - Stock-based Compensation (Tables)
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12 Months Ended |
Apr. 01, 2018 |
Notes Tables |
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Share-based Compensation, Stock Options, Activity [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Outstanding at Beginning of Period | | $ | 8.35 | | | | 322,500 | | | $ | 7.64 | | | | 305,000 | | | $ | 6.83 | | | | 330,000 | | Granted | | | 7.35 | | | | 140,000 | | | | 9.60 | | | | 120,000 | | | | 8.38 | | | | 110,000 | | Exercised | | | - | | | | - | | | | 7.67 | | | | (102,500 | ) | | | 6.27 | | | | (135,000 | ) | Forfeited | | | 9.05 | | | | (67,500 | ) | | | - | | | | - | | | | - | | | | - | | Outstanding at End of Period | | | 7.93 | | | | 395,000 | | | | 8.35 | | | | 322,500 | | | | 7.64 | | | | 305,000 | | Exercisable at End of Period | | | 7.94 | | | | 220,000 | | | | 7.33 | | | | 147,500 | | | | 6.72 | | | | 112,500 | |
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Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| | Stock Options Issued to Employees During Fiscal Years | | | | 2018 | | | | | | | | Number of options issued | | | 10,000 | | | | 20,000 | | | | 110,000 | | | | 120,000 | | | | 110,000 | | Grant date | |
December 18, 2017 | | |
August 4, 2017 | | |
June 8, 2017 | | |
June 8, 2016 | | |
June 12, 2015 | | Dividend yield | | | 4.92 | % | | | 5.77 | % | | | 4.13 | % | | | 3.33 | % | | | 3.82 | % | Expected volatility | | | 25.00 | % | | | 25.00 | % | | | 25.00 | % | | | 20.00 | % | | | 20.00 | % | Risk free interest rate | | | 1.94 | % | | | 1.51 | % | | | 1.47 | % | | | 0.93 | % | | | 1.12 | % | Contractual term (years) | | | 10.00 | | | | 10.00 | | | | 10.00 | | | | 10.00 | | | | 10.00 | | Expected term (years) | | | 3.00 | | | | 3.00 | | | | 3.00 | | | | 3.00 | | | | 3.00 | | Forfeiture rate | | | 5.00 | % | | | 5.00 | % | | | 5.00 | % | | | 5.00 | % | | | 5.00 | % | Exercise price (grant-date closing price) per option | | $ | 6.50 | | | $ | 5.55 | | | $ | 7.75 | | | $ | 9.60 | | | $ | 8.38 | | Fair value per option | | $ | 0.59 | | | $ | 0.50 | | | $ | 0.85 | | | $ | 0.94 | | | $ | 0.77 | |
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Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
| | Fiscal Year Ended April 1, 2018 | | | | | | Options Granted in Fiscal Year | | | | | | | | Total | | 2016 | | $ | 6 | | | $ | 1 | | | $ | 7 | | 2017 | | | 26 | | | | 15 | | | | 41 | | 2018 | | | 17 | | | | 19 | | | | 36 | | | | | | | | | | | | | | | Total stock option compensation | | $ | 49 | | | $ | 35 | | | $ | 84 | |
| | Fiscal Year Ended April 2, 2017 | | | | | | | | | | | | | | | | | | | | | | | Options Granted in Fiscal Year | | | | | | | | | | 2015 | | $ | 14 | | | $ | 12 | | | $ | 26 | | 2016 | | | 23 | | | | 19 | | | | 42 | | 2017 | | | 25 | | | | 17 | | | | 42 | | | | | | | | | | | | | | | Total stock option compensation | | $ | 62 | | | $ | 48 | | | $ | 110 | |
| | Fiscal Year Ended April 3, 2016 | | | | | | | | | | | | | | | | | | | | | | | Options Granted in Fiscal Year | | | | | | | | | | 2014 | | $ | 7 | | | $ | 7 | | | $ | 14 | | 2015 | | | 54 | | | | 45 | | | | 99 | | 2016 | | | 17 | | | | 14 | | | | 31 | | | | | | | | | | | | | | | Total stock option compensation | | $ | 78 | | | $ | 66 | | | $ | 144 | |
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Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] |
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| | $4.00 | - | 4.99 | | | | 5,000 | | | | 3.19 | | | | $4.81 | | | | 5,000 | | | | $4.81 | | $5.00 | - | 5.99 | | | | 40,000 | | | | 6.77 | | | | $5.49 | | | | 20,000 | | | | $5.42 | | $6.00 | - | 6.99 | | | | 30,000 | | | | 6.71 | | | | $6.26 | | | | 20,000 | | | | $6.14 | | $7.00 | - | 7.99 | | | | 160,000 | | | | 8.07 | | | | $7.81 | | | | 60,000 | | | | $7.90 | | $8.00 | - | 8.99 | | | | 70,000 | | | | 7.20 | | | | $8.38 | | | | 70,000 | | | | $8.38 | | $9.00 | - | 9.99 | | | | 90,000 | | | | 8.19 | | | | $9.60 | | | | 45,000 | | | | $9.60 | | | | | | | | 395,000 | | | | 7.65 | | | | $7.93 | | | | 220,000 | | | | $7.94 | |
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Schedule of Share-based Compensation, Nonemployee Director Stock Award Plan, Activity [Table Text Block] |
| | | | | | | | | | | | 28,000 | | | | $5.50 | |
August 9, 2017 | 28,000 | | | | 10.08 | |
August 10, 2016 | 28,000 | | | | 8.20 | |
August 12, 2015 | 28,000 | | | | 7.97 | |
August 11, 2014 | 28,000 | | | | 6.67 | |
August 14, 2013 |
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Schedule of Nonvested Share Activity [Table Text Block] |
| | | Fiscal Year Ended April 1, 2018 | | | | | | | | | | | | | Stock Granted in Fiscal Year | | | | | | | | | | 2016 | | $ | - | | | $ | 38 | | | $ | 38 | | 2017 | | | 108 | | | | 141 | | | | 249 | | 2018 | | | 116 | | | | 52 | | | | 168 | | | | | | | | | | | | | | | Total stock grant compensation | | $ | 224 | | | $ | 231 | | | $ | 455 | |
| | | Fiscal Year Ended April 2, 2017 | | | | | | | | | | | | | Stock Granted in Fiscal Year | | | | | | | | | | 2015 | | $ | - | | | $ | 37 | | | $ | 37 | | 2016 | | | 140 | | | | 115 | | | | 255 | | 2017 | | | 108 | | | | 94 | | | | 202 | | | | | | | | | | | | | | | Total stock grant compensation | | $ | 248 | | | $ | 246 | | | $ | 494 | |
| | | Fiscal Year Ended April 3, 2016 | | | | | | | | | | | | | Stock Granted in Fiscal Year | | | | | | | | | | 2011 | | $ | 49 | | | $ | - | | | $ | 49 | | 2014 | | | - | | | | 31 | | | | 31 | | 2015 | | | 354 | | | | 112 | | | | 466 | | 2016 | | | 140 | | | | 76 | | | | 216 | | | | | | | | | | | | | | | Total stock grant compensation | | $ | 543 | | | $ | 219 | | | $ | 762 | |
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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] |
| | | | | | | | | | | Compensation expense recognized during fiscal year | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2014 | | | 188,232 | | | | 2015 | | | $ | 5.650 | | | $ | 354,000 | | | $ | 354,000 | | | $ | 354,000 | | | $ | - | | | $ | - | | | $ | - | | 2015 | | | 58,532 | | | | 2016 | | | | 7.180 | | | | - | | | | 140,000 | | | | 140,000 | | | | 140,000 | | | | - | | | | - | | 2016 | | | 41,205 | | | | 2017 | | | | 7.865 | | | | - | | | | - | | | | 108,000 | | | | 108,000 | | | | 108,000 | | | | - | | 2017 | | | 42,250 | | | | 2018 | | | | 8.271 | | | | - | | | | - | | | | - | | | | 116,000 | | | | 116,000 | | | | 116,000 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2015 | | | | 188,232 | | | | 188,532 | | | $ | 1,618,000 | | | $ | 789,000 | | | | - | | | $ | - | | | $ | - | | | | - | | | $ | - | | | $ | - | | | 2016 | | | | 58,532 | | | | 29,267 | | | | 275,000 | | | | 138,000 | | | | 29,265 | | | | 240,000 | | | | 86,000 | | | | - | | | | - | | | | - | | | 2017 | | | | 41,205 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 20,604 | | | | 167,000 | | | | 56,000 | |
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