NOTE 8—ACCRUED LIABILITIES

The Coronavirus Aid, Relief, and Economic Security Act the ("CARES Act") allows employers to defer the deposit and payment of the employer's share of Social Security taxes from payroll periods through December 31, 2020. Under the CARES Act, the Company had deferred payments of $0.2 million outstanding as of March 31, 2022 and December 31, 2021. The deferred liability is included in accrued payroll and benefits.

The Company's Waterlase laser systems sold domestically are covered by a warranty against defects in material and workmanship for a period of up to one year from the date of sale to the end-user by the Company or a distributor. The Company's diode systems sold domestically are covered by a warranty against defects in material and workmanship for a period of up to two years from the date of sale to the end-user by the Company or a distributor. Waterlase systems and diode systems sold internationally are covered by a warranty against defects in material and workmanship for a period of up to 24 months from date of sale to the international distributor. The Company's laser systems warranty covers parts and service for sales in its North American territories and parts only for international distributor sales.

In North America and select international locations, the Company sells extended warranty contracts to its laser systems end-users that cover the period after the expiration of the Company's standard warranty coverage for its laser systems. Extended warranty coverage provided under the Company's service contracts varies by the type of system and the level of service desired by the customer. Products or accessories remanufactured, refurbished, or sold by unauthorized parties, voids all warranties in place for such products and exempts the Company from liability issues relating to the use of such products.