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Note 4 - BALANCE SHEET COMPONENTS (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Property, Plant and Equipment | Property and equipment, net consist of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2022 |  | 2021
Computer equipment | ​ | $ | 11,640 | ​ | $ | 11,924
Software | ​ |  | 5,391 | ​ |  | 5,419
Furniture, fixtures and equipment | ​ |  | 2,491 | ​ |  | 2,506
Leasehold improvements | ​ |  | 6,294 | ​ |  | 6,272
Laboratory and other equipment | ​ |  | 4,249 | ​ |  | 3,981
Test equipment | ​ |  | 28,204 | ​ |  | 24,452
Construction-in-progress | ​ |  | 23,690 | ​ |  | 22,158
​ | ​ |  | 81,959 | ​ |  | 76,712
Less: accumulated depreciation and amortization | ​ |  | (43,569) | ​ |  | (41,417)
Total | ​ | $ | 38,390 | ​ | $ | 35,295
Schedule of Finite-Lived Intangible Assets, Net | Intangible assets, net, consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | June 30, 2022 | ​ | December 31, 2021
​ | ​ | Amortization | ​ | Gross | ​ | ​ | ​ | ​ | Net | ​ | Gross | ​ | ​ | ​ | ​ | Net
​ | ​ | Period | ​ | Carrying | ​ | Accumulated | ​ | Carrying | ​ | Carrying | ​ | Accumulated | ​ | Carrying
​ | ​ | (Years) |  | Amount |  | Amortization |  | Amount |  | Amount |  | Amortization |  | Amount
Acquired identifiable intangibles: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Customer relationships |  | 1-10 | ​ | $ | 9,407 | ​ | $ | (6,363) | ​ | $ | 3,044 | ​ | $ | 9,407 | ​ | $ | (6,041) | ​ | $ | 3,366
Developed technology |  | 4-9 | ​ |  | 33,635 | ​ |  | (18,447) | ​ |  | 15,188 | ​ |  | 33,635 | ​ |  | (17,250) | ​ |  | 16,385
Tradename and trademarks |  | 2-10 | ​ |  | 1,598 | ​ |  | (865) | ​ |  | 733 | ​ |  | 1,598 | ​ |  | (812) | ​ |  | 786
Patent |  | 7-10 | ​ |  | 1,800 | ​ |  | (1,660) | ​ |  | 140 | ​ |  | 1,800 | ​ |  | (1,640) | ​ |  | 160
Noncompetition agreements |  | 3 | ​ |  | 848 | ​ |  | (448) | ​ |  | 400 | ​ |  | 848 | ​ |  | (306) | ​ |  | 542
Total | ​ | ​ | ​ | $ | 47,288 | ​ | $ | (27,783) | ​ | $ | 19,505 | ​ | $ | 47,288 | ​ | $ | (26,049) | ​ | $ | 21,239
Schedule of Finite-lived Intangible Assets Amortization Expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021
Amortization of acquired technology included under Costs of Revenues | ​ | $ | 553 | ​ | $ | 536 | ​ | $ | 1,106 | ​ | $ | 1,071
Amortization of acquired intangible assets presented separately under Costs and Expenses | ​ |  | 314 | ​ |  | 313 | ​ |  | 628 | ​ |  | 627
Total amortization of acquired intangible assets | ​ | $ | 867 | ​ | $ | 849 | ​ | $ | 1,734 | ​ | $ | 1,698
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021
Amortization of acquired technology included under Costs of Revenues | ​ | $ | 553 | ​ | $ | 536 | ​ | $ | 1,106 | ​ | $ | 1,071
Amortization of acquired intangible assets presented separately under Costs and Expenses | ​ |  | 314 | ​ |  | 313 | ​ |  | 628 | ​ |  | 627
Total amortization of acquired intangible assets | ​ | $ | 867 | ​ | $ | 849 | ​ | $ | 1,734 | ​ | $ | 1,698

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