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Note 7 - Inventories | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Inventory Disclosure [Text Block] | Note 7. Inventories ​ Inventories, net of inventory write-downs, consist of the following for the periods indicated (in thousands): ​
​ |  | March 31, 2022 |  |  | December 31, 2021 |
Raw materials |  | $ | 29,146 |  |  | $ | 29,469 |
Work in process and sub-assemblies |  |  | 41,344 |  |  |  | 41,528 |
Finished goods |  |  | 21,517 |  |  |  | 21,519 |
Total inventories |  | $ | 92,007 |  |  | $ | 92,516 |
​ The lower of cost or market adjustment expensed for inventory for the three months ended March 31, 2022 and 2021 was $2.0 million and $0.9 million, respectively. For the three months ended March 31, 2022 and 2021, the direct inventory write-offs related to scrap, discontinued products, and damaged inventories were $1.0 million and $6.0 million, respectively. ​

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI https://asc.fasb.org/topic&trid=2126998 + Details
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