NOTE 3 — SUPPLEMENTARY BALANCE SHEET INFORMATION

Accounts Receivable, net:

Accounts receivable is net of allowances for doubtful accounts of approximately $2.6 million and $0.9 million and sales returns of approximately $0.2 and $0.2 million at December 31, 2019 and 2018, respectively.

Inventory:

Inventory includes write-downs for excess and obsolete inventory totaling approximately $1.3 million and $1.1 million at December 31, 2019 and 2018, respectively.

Property, Plant, and Equipment, net:

During the year ended December 31, 2018, the Company recognized a non-cash, pre-tax charge related to the disposal of internally developed software of $1.2 million primarily due to the decision to cancel future deployments of a global enterprise resource planning system and certain other web-based tools originally intended to customize such systems. The Company did not recognize any impairments on property, plant, and equipment during the year ended December 31, 2019.

Accrued Liabilities: