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Note 2 - Acquisitions Dispositions (Tables) (BGI [Member]) | 6 Months Ended
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Sep. 30, 2014
BGI [Member] |
Note 2 - Acquisitions Dispositions (Tables) [Line Items] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
Inventories, net |  | $ | 1,268 |
Property, plant and equipment, net |  |  | 47 |
Intangibles, net |  |  | 5,711 |
Goodwill |  |  | 3,295 |
Accrued expenses |  |  | (53 | )
Total purchase price allocation |  | $ | 10,268 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Three Months E nded September 30, |  |  | Six Months E nded September 30, |
|  | 201 4 |  |  | 201 3 |  |  | 201 4 |  |  | 201 3 |
Revenues |  | $ | 18,540 |  |  | $ | 14,592 |  |  | $ | 35,258 |  |  | $ | 27,726 |
Net income |  |  | 3,060 |  |  |  | 2,467 |  |  |  | 5,019 |  |  |  | 4,863 |
Net Income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.87 |  |  | $ | 0.72 |  |  | $ | 1.43 |  |  | $ | 1.43 |
Diluted |  |  | 0.84 |  |  |  | 0.69 |  |  |  | 1.38 |  |  |  | 1.36 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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