XML 29 R20.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note 5 - Supplemental Balance Sheet Information (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Notes Tables |
Cash, Cash Equivalents and Investments [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Cash |  | $ | 4,978 |  |  | $ | 8,329 |
Restricted cash |  |  | 73 |  |  |  | 84 |
Total |  | $ | 5,051 |  |  | $ | 8,413 |
Schedule of Inventory, Current [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Raw materials |  | $ | 28,485 |  |  | $ | 21,660 |
Work in process |  |  | 3,215 |  |  |  | 4,227 |
Finished goods |  |  | 9,069 |  |  |  | 7,302 |
Total |  | $ | 40,769 |  |  | $ | 33,189 |
Property, Plant and Equipment [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Land |  | $ | 1,273 |  |  | $ | 1,273 |
Buildings and leasehold improvements |  |  | 15,483 |  |  |  | 15,442 |
Machinery and equipment |  |  | 63,724 |  |  |  | 63,780 |
Furniture and fixtures |  |  | 2,787 |  |  |  | 2,588 |
Computer hardware and software |  |  | 7,589 |  |  |  | 7,579 |
Construction in process |  |  | 1,041 |  |  |  | 761 |
|  |  | 91,897 |  |  |  | 91,423 |
Less: Accumulated depreciation |  |  | (69,999 | ) |  |  | (68,218 | )
Property, plant and equipment, net |  | $ | 21,898 |  |  | $ | 23,205 |
|  | Three-month period ended |  |  | Nine-month period ended |
|  | September 30, |  |  | September 30, |  |  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Depreciation expense |  | $ | 815 |  |  | $ | 700 |  |  | $ | 2,450 |  |  | $ | 2,160 |
Schedule of Goodwill [Table Text Block] |
|  | Battery & Energy |  |  | Communications |  |  |  |  |
|  | Products |  |  | Systems |  |  | Total |
Balance – December 31, 2021 |  | $ | 26,575 |  |  | $ | 11,493 |  |  | $ | 38,068 |
Measurement period adjustment (1) |  |  | (30 | ) |  |  | - |  |  |  | (30 | )
Effect of foreign currency translation |  |  | (972 | ) |  |  | - |  |  |  | (972 | )
Balance – September 30, 2022 |  | $ | 25,573 |  |  | $ | 11,493 |  |  | $ | 37,066 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | at September 30, 2022 |
|  |  |  |  |  | Accumulated |  |  |  |  |
|  | Cost |  |  | Amortization |  |  | Net |
Customer relationships |  | $ | 12,781 |  |  | $ | 5,757 |  |  | $ | 7,024 |
Patents and technology |  |  | 5,481 |  |  |  | 5,092 |  |  |  | 389 |
Trade names |  |  | 4,601 |  |  |  | 475 |  |  |  | 4,126 |
Trademarks |  |  | 3,401 |  |  |  | - |  |  |  | 3,401 |
Other |  |  | 1,500 |  |  |  | 345 |  |  |  | 1,155 |
Total other intangible assets |  | $ | 27,764 |  |  | $ | 11,669 |  |  | $ | 16,095 |
|  | at December 31, 2021 |
|  |  |  |  |  | Accumulated |  |  |  |  |
|  | Cost |  |  | Amortization |  |  | Net |
Customer relationships |  | $ | 13,214 |  |  | $ | 5,484 |  |  | $ | 7,730 |
Patents and technology |  |  | 5,667 |  |  |  | 5,126 |  |  |  | 541 |
Trade names |  |  | 4,670 |  |  |  | 436 |  |  |  | 4,234 |
Trademarks |  |  | 3,413 |  |  |  | - |  |  |  | 3,413 |
Other |  |  | 1,490 |  |  |  | 18 |  |  |  | 1,472 |
Total other intangible assets |  | $ | 28,454 |  |  | $ | 11,064 |  |  | $ | 17,390 |
Finite-Lived Intangible Assets Amortization Expense [Table Text Block] |
|  | Three-month period ended |  |  | Nine-month period ended |
|  | September 30, |  |  | September 30, |  |  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Amortization included in: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development |  | $ | 23 |  |  | $ | 27 |  |  | $ | 74 |  |  | $ | 93 |
Selling, general and administrative |  |  | 295 |  |  |  | 121 |  |  |  | 895 |  |  |  | 365 |
Total amortization expense |  | $ | 318 |  |  | $ | 148 |  |  | $ | 969 |  |  | $ | 458 |

X
- Definition Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=121556970&loc=SL108378252-109267 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 55 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=122137925&loc=d3e14258-109268 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration