Note 5 – Inventory

Inventory is stated at lower of cost or net realizable value using the weighted average cost method and is evaluated at least annually for impairment. Write-downs for potentially obsolete or excess inventory are made based on management’s analysis of inventory levels, historical obsolescence and future sales forecasts. For the three months ended March 31, 2022 and 2021, an inventory impairment of $159 and $0, respectively, was recorded.

Inventory at March 31, 2022 and December 31, 2021 consisted of the following:

Schedule of Inventory