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Note 3 - Acquisitions - Fair Value of Net Assets Acquired (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 01, 2021 | Aug. 09, 2021 | May 03, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | ---
Goodwill | $ 223,936 |  |  |  | $ 58,449
Goodwill | 223,936 |  |  |  | $ 58,449
Sexton Acquisition [Member] |  |  |  |  |
Cash |  | $ 1,516 |  |  |
Accounts receivable, net |  | 492 |  |  |
Inventory |  | 1,310 |  |  |
Prepaid expenses and other current assets |  | 670 |  |  |
Property, plant and equipment, net |  | 737 |  |  |
Operating lease right-of-use assets, net |  | 470 |  |  |
Goodwill |  | 28,273 |  |  |
Accounts payable |  | (291) |  |  |
Lease liabilities, operating |  | (470) |  |  |
Deferred tax liability |  | (1,284) | $ (1,300) |  |
Other liabilities |  | (317) |  |  |
Fair value of net assets acquired |  | 39,928 |  |  |
Goodwill |  | 28,273 |  |  |
Accounts payable |  | (291) |  |  |
Lease liabilities, operating |  | (470) |  |  |
Deferred tax liability |  | (1,284) | $ (1,300) |  |
Other liabilities |  | (317) |  |  |
Sexton Acquisition [Member] | Developed Technology Rights [Member] |  |  |  |  |
Developed technology | 4,132 | 4,132 |  |  |
Sexton Acquisition [Member] | Customer Relationships [Member] |  |  |  |  |
Developed technology | 2,276 | 2,276 |  |  |
Sexton Acquisition [Member] | Trade Names [Member] |  |  |  |  |
Developed technology | 2,324 | 2,324 |  |  |
Sexton Acquisition [Member] | Noncompete Agreements [Member] |  |  |  |  |
Developed technology | $ 90 | $ 90 |  |  |
GCI Acquisition [Member] |  |  |  |  |
Cash |  |  |  | $ 43 |
Accounts receivable, net |  |  |  | 7,076 |
Inventory |  |  |  | 15,547 |
Prepaid expenses and other current assets |  |  |  | 639 |
Property, plant and equipment, net |  |  |  | 3,512 |
Operating lease right-of-use assets, net |  |  |  | 1,741 |
Goodwill |  |  |  | 137,215 |
Accounts payable |  |  |  | (9,837) |
Lease liabilities, operating |  |  |  | (1,880) |
Deferred tax liability |  |  |  | (23,526) |
Other liabilities |  |  |  | (7,464) |
Fair value of net assets acquired |  |  |  | 234,909 |
Financing lease right-of-use assets, net |  |  |  | 114 |
Long-term deposits and other assets |  |  |  | 4 |
Goodwill |  |  |  | 137,215 |
Accounts payable |  |  |  | (9,837) |
Line of credit |  |  |  | (4,231) |
Lease liabilities, operating |  |  |  | (1,880) |
Lease liabilities, financing |  |  |  | (114) |
Long-term debt |  |  |  | (4,410) |
Deferred tax liability |  |  |  | (23,526) |
Other liabilities |  |  |  | (7,464) |
GCI Acquisition [Member] | In Process Research and Development [Member] |  |  |  |  |
In-process research and development |  |  |  | 67,440 |
GCI Acquisition [Member] | Developed Technology Rights [Member] |  |  |  |  |
Developed technology |  |  |  | 18,140 |
GCI Acquisition [Member] | Customer Relationships [Member] |  |  |  |  |
Developed technology |  |  |  | 7,020 |
GCI Acquisition [Member] | Trade Names [Member] |  |  |  |  |
Developed technology |  |  |  | 26,640 |
GCI Acquisition [Member] | Noncompete Agreements [Member] |  |  |  |  |
Developed technology |  |  |  | $ 1,240 |

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