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Note 12 - Net (Loss) Income Per Share (Tables) | 12 Months Ended
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Mar. 31, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year E nded March 31, |
|  | 201 8 |  |  | 201 7 |  |  | 201 6 |
Net (loss) income available for shareholders |  | $ | (2,962 | ) |  | $ | 11,183 |  |  | $ | 11,169 |
Weighted average outstanding shares of common stock |  |  | 3,770 |  |  |  | 3,679 |  |  |  | 3,605 |
Dilutive effect of stock options |  |  | -- |  |  |  | 165 |  |  |  | 152 |
Common stock and equivalents |  |  | 3,770 |  |  |  | 3,844 |  |  |  | 3,757 |
Net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.79 | ) |  | $ | 3.04 |  |  | $ | 3.10 |
Diluted |  |  | (0.79 | ) |  |  | 2.91 |  |  |  | 2.97 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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