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Note 17 - Quarterly Results (unaudited) (Tables) | 12 Months Ended
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Mar. 31, 2017
Notes Tables |
Quarterly Financial Information [Table Text Block] |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
2017 |  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
Revenues |  | $ | 21,114 |  |  | $ | 24,409 |  |  | $ | 23,843 |  |  | $ | 24,299 |
Gross profit |  |  | 12,014 |  |  |  | 13,724 |  |  |  | 13,537 |  |  |  | 13,964 |
Net income |  |  | 1,930 |  |  |  | 2,358 |  |  |  | 3,252 |  |  |  | 3,643 |
Net Income per share – basic |  | $ | 0.53 |  |  | $ | 0.64 |  |  | $ | 0.88 |  |  | $ | 0.98 |
Net Income per share – diluted |  |  | 0.51 |  |  |  | 0.62 |  |  |  | 0.84 |  |  |  | 0.94 |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
201 6 |  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
Revenues |  | $ | 18,158 |  |  | $ | 21,776 |  |  | $ | 19,913 |  |  | $ | 24,812 |
Gross profit |  |  | 11,141 |  |  |  | 13,067 |  |  |  | 12,209 |  |  |  | 14,996 |
Net income |  |  | 2,755 |  |  |  | 1,826 |  |  |  | 2,597 |  |  |  | 3,991 |
Net Income per share – basic |  | $ | 0.77 |  |  | $ | 0.51 |  |  | $ | 0.72 |  |  | $ | 1.10 |
Net Income per share – diluted |  |  | 0.74 |  |  |  | 0.48 |  |  |  | 0.69 |  |  |  | 1.06 |
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
201 5 |  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
Revenues |  | $ | 16,400 |  |  | $ | 18,540 |  |  | $ | 17,830 |  |  | $ | 18,560 |
Gross profit |  |  | 9,705 |  |  |  | 11,123 |  |  |  | 11,052 |  |  |  | 11,512 |
Net income |  |  | 1,881 |  |  |  | 3,060 |  |  |  | 2,403 |  |  |  | 2,239 |
Net Income per share – basic |  | $ | 0.54 |  |  | $ | 0.87 |  |  | $ | 0.68 |  |  | $ | 0.63 |
Net Income per share – diluted |  |  | 0.51 |  |  |  | 0.84 |  |  |  | 0.66 |  |  |  | 0.61 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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