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Note 2 - Acquisitions and Dispositions (Tables) | 12 Months Ended
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Mar. 31, 2017
Notes Tables |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
Cash consideration |  | $ | 8,747 |
Holdback payment liability |  |  | 637 |
Contingent consideration liability |  |  | 9,271 |
Aggregate consideration |  | $ | 18,655 |
Accounts receivable |  | $ | 925 |
Inventories |  |  | 310 |
Property, plant and equipment |  |  | 530 |
Intangibles |  |  | 5,869 |
Goodwill |  |  | 13,833 |
Accounts payable |  |  | (470 | )
Accrued liabilities |  |  | (767 | )
Deferred income taxes |  |  | (1,575 | )
Total purchase price allocation |  | $ | 18,655 |
Cash consideration |  | $ | 10,322 |
Holdback payment liability |  |  | 1,000 |
Aggregate consideration |  | $ | 11,322 |
Cash |  | $ | 20 |
Accounts receivable |  |  | 285 |
Inventories |  |  | 85 |
Property, plant and equipment |  |  | 229 |
Intangibles |  |  | 4,454 |
Goodwill |  |  | 7,962 |
Accrued liabilities |  |  | (100 | )
Unearned revenues |  |  | (1,613 | )
Total purchase price allocation |  | $ | 11,322 |
Cash consideration |  | $ | 5,000 |
Holdback payment liability |  |  | 250 |
Contingent consideration liability |  |  | 300 |
Aggregate consideration |  | $ | 5,550 |
Inventories |  | $ | 137 |
Property, plant and equipment |  |  | 7 |
Intangibles |  |  | 3,678 |
Goodwill |  |  | 1,743 |
Accrued expenses |  |  | (15 | )
Total purchase price allocation |  | $ | 5,550 |
Inventories |  | $ | 1,268 |
Property, plant and equipment |  |  | 47 |
Intangibles |  |  | 5,711 |
Goodwill |  |  | 3,295 |
Accrued expenses |  |  | (53 | )
Total purchase price allocation |  | $ | 10,268 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Year Ended March 31, |
|  | 201 6 |  |  | 201 5 |
Revenues |  | $ | 86,499 |  |  | $ | 74,379 |
Net income |  |  | 11,471 |  |  |  | 9,944 |
Net Income per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 3.18 |  |  | $ | 2.82 |
Diluted |  |  | 3.05 |  |  |  | 2.72 |
|  | Year Ended March 31, |
|  | 201 6 |  |  | 201 5 |
Revenues |  | $ | 86,053 |  |  | $ | 75,649 |
Net income |  |  | 11,463 |  |  |  | 10,182 |
Net Income per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 3.18 |  |  | $ | 2.89 |
Diluted |  |  | 3.05 |  |  |  | 2.79 |
|  | Year E nded March 31, |
|  | 2015 |  |  | 2014 |
Revenues |  | $ | 73,068 |  |  | $ | 56,541 |
Net income |  |  | 9,673 |  |  |  | 9,512 |
Net income per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 2.75 |  |  | $ | 2.76 |
Diluted |  |  | 2.65 |  |  |  | 2.63 |
|  | Year E nded March 31, |
|  | 2015 |  |  | 2014 |
Revenues |  | $ | 71,648 |  |  | $ | 60,388 |
Net income |  |  | 9,661 |  |  |  | 11,141 |
Net income per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 2.74 |  |  | $ | 3.23 |
Diluted |  |  | 2.65 |  |  |  | 3.09 |

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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=79982066&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=84161108&loc=d3e4845-128472 + Details
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