XML 25 R11.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Revenue | 12 Months Ended
--- | ---
Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Revenue | Note 4 - Revenue The following is a description of the principal activities from which revenue is generated by reportable segment: Network Solutions - Includes hardware products and software-defined next-generation virtualized solutions used in service provider or business networks, as well as prior generation products. Services & Support - Includes maintenance, network implementation, solutions integration and managed services, which include hosted cloud services and subscription services. Revenue by Category In addition to reportable segments, revenue is also reported for the following three categories – Access & Aggregation, Subscriber Solutions & Experience and Traditional & Other Products. The following table disaggregates revenue by reportable segment and revenue category for the year ended December 31, 2021:
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 300,343 |  |  | $ | 43,853 |  |  | $ | 344,196 |
Subscriber Solutions & Experience |  |  | 189,121 |  |  |  | 10,500 |  |  |  | 199,621 |
Traditional & Other Products |  |  | 9,370 |  |  |  | 9,817 |  |  |  | 19,187 |
Total |  | $ | 498,834 |  |  | $ | 64,170 |  |  | $ | 563,004 |
The following table disaggregates revenue by reportable segment and revenue category for the year ended December 31, 2020:
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 262,578 |  |  | $ | 50,560 |  |  | $ | 313,138 |
Subscriber Solutions & Experience |  |  | 161,824 |  |  |  | 9,263 |  |  |  | 171,087 |
Traditional & Other Products |  |  | 13,613 |  |  |  | 8,672 |  |  |  | 22,285 |
Total |  | $ | 438,015 |  |  | $ | 68,495 |  |  | $ | 506,510 |
The following table disaggregates revenue by reportable segment and revenue category for the year ended December 31, 2019:
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 289,980 |  |  | $ | 58,894 |  |  | $ | 348,874 |
Subscriber Solutions & Experience |  |  | 144,651 |  |  |  | 8,269 |  |  |  | 152,920 |
Traditional & Other Products |  |  | 20,595 |  |  |  | 7,672 |  |  |  | 28,267 |
Total |  | $ | 455,226 |  |  | $ | 74,835 |  |  | $ | 530,061 |
The aggregate amount of transaction price allocated to remaining performance obligations that have not been satisfied as of December 31, 2021 related to contractual maintenance agreements, contractual SaaS and subscription services, and hardware contracts that exceed one year in duration amounted to $101.1 million, with approximately 74.6% expected to be recognized over the next 12 months and the remainder recognized thereafter. The majority of the Company's remaining performance obligations at December 31, 2021 are related to contracts or orders that have an original expected duration of one year or less, for which the Company is electing to utilize the practical expedient available within the guidance, and are excluded from the transaction price related to these future obligations. The Company will generally satisfy the remaining performance obligations as we transfer control of the products ordered or services to our customers, excluding maintenance services, which are satisfied over time. The following table provides information about accounts receivable, contract assets and unearned revenue from contracts with customers:
(In thousands) |  | December 31, 2021 |  |  | December 31, 2020 |
Accounts receivable |  | $ | 158,742 |  |  | $ | 98,827 |
Contract assets(1) |  | $ | 464 |  |  | $ | 63 |
Unearned revenue |  | $ | 17,737 |  |  | $ | 14,092 |
Non-current unearned revenue |  | $ | 9,271 |  |  | $ | 6,888 |
(1) Included in other receivables on the Consolidated Balance Sheets. Of the outstanding unearned revenue balance as of December 31, 2020, 2019 and 2018, $11.2 million, $11.0 million and $12.7 million were recognized as revenue during the years ended December 31, 2021, 2020 and 2019, respectively.

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

X
- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration