Commitment and Contingencies	12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	17. Commitments and Contingencies The Company has issued various letters of credit under contractual arrangements with certain of its domestic vendors and customers. Outstanding letters of credit under these arrangements totaled $6.2 million and $6.3 million at December 31, 2021 and 2020, respectively. In addition, the Company has $1.8 million of bank guarantees at December 31, 2021 required to support bids and contracts with certain international customers. The Company has non-cancelable purchase commitments to certain vendors. The aggregate non-cancelable purchase commitments outstanding at December 31, 2021 were $36.5 million. The majority of these outstanding commitments are expected to be incurred in 2022 and approximately $2.0 million expected to be incurred in 2024. The Company is subject to tax audits in the normal course of business and does not have material contingencies recorded related to such audits. The Company accrues for claims and contingencies when losses become probable and reasonably estimable. As of the end of each applicable reporting period, the Company reviews each of its matters and, where it is probable that a liability has been or will be incurred, the Company accrues for all probable and reasonably estimable losses. Where the Company can reasonably estimate a range of loss it may incur regarding such a matter, the Company records an accrual for the amount within the range that constitutes its best estimate. If the Company can reasonably estimate a range but no amount within the range appears to be a better estimate than any other, the Company uses the amount that is the low end of such range. Legal Proceedings The Company is subject to legal and regulatory actions that arise from time to time in the ordinary course of business. The Company records a liability when it believes it is probable a loss will be incurred, and the amount of loss or range of loss can be reasonably estimated. The assessment as to whether a loss is probable, reasonably possible or remote, and as to whether a loss or a range of such loss is estimable, often involves significant judgment about future events. The Company has determined that resolution of pending matters is not probable to have a material adverse impact on its consolidated results of operations, cash flows, or financial position, and accordingly, no material contingency accruals are recorded. However, the outcome of litigation is inherently uncertain. As additional information becomes available, the Company reassesses the potential liability. Brantley v. City of Gretna is a class action lawsuit filed in the 24th Judicial District Court of Jefferson Parish, Louisiana against the City of Gretna (“City”) and its safety camera vendor, Redflex Traffic Systems, Inc. in April 2016. The plaintiff class, which was certified on March 30, 2021, alleges that the City’s safety camera program was implemented and operated in violation of local ordinances and the state constitution, including that the City’s hearing process violated the plaintiffs’ due process rights for lack of a “neutral” arbiter of liability for traffic infractions. Plaintiffs seek recovery of traffic infraction fines paid. The City and Redflex Traffic Systems, Inc. have appealed the trial court’s ruling granting class certification, which remains pending. Based on the information available to the Company at present, it cannot reasonably estimate a range of loss for this action and, accordingly, it has not accrued any liability associated with this action. HTA Settlement Agreement During the third quarter of 2020, we entered into a Settlement and Release Agreement with the former owners of Highway Toll Administration, LLC (the “HTA Settlement Agreement”) related to certain terms in dispute for which the Company sought indemnification. In connection with the HTA Settlement Agreement, the Company recognized a $1.4 million gain for the distribution of escrow funds and a $1.4 million gain for the receipt of additional proceeds from a third-party insurance carrier related to this matter, both of which were included in other income, net on the consolidated statements of operations for the fiscal year ended December 31, 2020.

Commitment and Contingencies

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

17.

Commitments and Contingencies

The Company has issued various letters of credit under contractual arrangements with certain of its domestic vendors and customers. Outstanding letters of credit under these arrangements totaled $6.2 million and $6.3 million at December 31, 2021 and 2020, respectively. In addition, the Company has $1.8 million of bank guarantees at December 31, 2021 required to support bids and contracts with certain international customers.

The Company has non-cancelable purchase commitments to certain vendors. The aggregate non-cancelable purchase commitments outstanding at December 31, 2021 were $36.5 million. The majority of these outstanding commitments are expected to be incurred in 2022 and approximately $2.0 million expected to be incurred in 2024.

The Company is subject to tax audits in the normal course of business and does not have material contingencies recorded related to such audits.

The Company accrues for claims and contingencies when losses become probable and reasonably estimable. As of the end of each applicable reporting period, the Company reviews each of its matters and, where it is probable that a liability has been or will be incurred, the Company accrues for all probable and reasonably estimable losses. Where the Company can reasonably estimate a range of loss it may incur regarding such a matter, the Company records an accrual for the amount within the range that constitutes its best estimate. If the Company can reasonably estimate a range but no amount within the range appears to be a better estimate than any other, the Company uses the amount that is the low end of such range.

Legal Proceedings

The Company is subject to legal and regulatory actions that arise from time to time in the ordinary course of business. The Company records a liability when it believes it is probable a loss will be incurred, and the amount of loss or range of loss can be reasonably estimated. The assessment as to whether a loss is probable, reasonably possible or remote, and as to whether a loss or a range of such loss is estimable, often involves significant judgment about future events. The Company has determined that resolution of pending matters is not probable to have a material adverse impact on its consolidated results of operations, cash flows, or financial position, and accordingly, no material contingency accruals are recorded. However, the outcome of litigation is inherently uncertain. As additional information becomes available, the Company reassesses the potential liability.

Brantley v. City of Gretna is a class action lawsuit filed in the 24th Judicial District Court of Jefferson Parish, Louisiana against the City of Gretna (“City”) and its safety camera vendor, Redflex Traffic Systems, Inc. in April 2016. The plaintiff class, which was certified on March 30, 2021, alleges that the City’s safety camera program was implemented and operated in violation of local ordinances and the state constitution, including that the City’s hearing process violated the plaintiffs’ due process rights for lack of a “neutral” arbiter of liability for traffic infractions. Plaintiffs seek recovery of traffic infraction fines paid. The City and Redflex Traffic Systems, Inc. have appealed the trial court’s ruling granting class certification, which remains pending. Based on the information available to the Company at present, it cannot reasonably estimate a range of loss for this action and, accordingly, it has not accrued any liability associated with this action.

HTA Settlement Agreement

During the third quarter of 2020, we entered into a Settlement and Release Agreement with the former owners of Highway Toll Administration, LLC (the “HTA Settlement Agreement”) related to certain terms in dispute for which the Company sought indemnification. In connection with the HTA Settlement Agreement, the Company recognized a $1.4 million gain for the distribution of escrow funds and a $1.4 million gain for the receipt of additional proceeds from a third-party insurance carrier related to this matter, both of which were included in other income, net on the consolidated statements of operations for the fiscal year ended December 31, 2020.