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Note 2 - Acquisitions - Purchase Price (Details) - USD ($) $ in Thousands |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
May 06, 2021 | Mar. 31, 2021 | Oct. 01, 2020 | Jun. 30, 2022 | Jun. 30, 2021
Cash or Debt payment |  |  |  | $ (0) | $ 11,479
Neeltran Inc. [Member] |  |  |  |  |
Cash or Debt payment | $ 4,400 |  |  |  |
Total consideration | 16,400 |  |  |  |
Neeltran Inc. [Member] | Neeltran Inc. Sellling Stockholders [Member] |  |  |  |  |
Cash or Debt payment | 1,000 |  |  |  |
Issuance of 301,556 shares of Company's common stock | 4,400 |  |  |  |
Issuance of 873,657 shares of Company’s common stock | 4,400 |  |  |  |
Neeltran Inc. [Member] | Neeltran Third Party Lenders [Member] |  |  |  |  |
Cash or Debt payment | $ 7,600 |  |  |  |
Northeast Power Systems, Inc (NEPSI) [Member] |  |  |  |  |
Cash or Debt payment |  | $ 26,000 | $ 26,000 |  |
Issuance of 301,556 shares of Company's common stock |  | 12,400 |  |  |
Total consideration |  | 42,400 | $ 42,400 |  |
Issuance of 873,657 shares of Company’s common stock |  | 12,400 |  |  |
Contingent consideration |  | $ 4,000 |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6578-128477 + Details
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