14.         Commitments and Contingencies

Material Contracts

The Company has two license agreements with the Regents of the University of California to maintain exclusive rights to certain patents. The Company is required to pay 1% of net sales of licensed medical devices sold to entities other than the U.S. government. In addition, the Company is required to pay 21% of consideration collected from any sub-licensee for the grant of the sub-license.

The Company has two license agreements with Vanderbilt University to maintain exclusive rights to patents on the Company's behalf.

Under the Vanderbilt Exoskeleton License Agreement, the Company is required to pay 6% of net sales of licensed patent products and 3% of net sales of licensed software products. The minimum annual royalty for licensed products is $250. The Vanderbilt Exoskeleton License Agreement will continue until April 29, 2038, unless sooner terminated.

Under the Vanderbilt Knee License Agreement, the Company is required to pay 3.75% of net sales for licensed patent products and the minimum annual royalty is $75 due on or before July 31, 2028 and $100 per year thereafter. The Vanderbilt Knee License Agreement will continue until February 15, 2041, unless sooner terminated.

Purchase Obligations

The Company purchases components from a variety of suppliers and uses contract manufacturers to provide manufacturing services for its products. Purchase obligations are defined as agreements that are enforceable and legally binding and that specify all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or variable price provisions; and the approximate timing of the transaction. 

The Company had purchase obligations primarily for purchases of inventory and manufacturing related service contracts totaling $1,511 as of September 30, 2024, which are expected to be paid within one year, and $2,783 as of December 31, 2023. Timing of payments and actual amounts paid may be different depending on the time of receipt of goods or services or changes to agreed-upon amounts for some obligations.

The Company has operating lease commitments totaling $1,083 payable over 34 months related to the San Rafael Lease, the Ohio Lease, and the Hamburg Lease as disclosed in Note 10. Lease Obligations.

Loss Contingencies

In the normal course of business, the Company is subject to various legal matters. In the opinion of management, the resolution of such matters will not have a material adverse effect on the Company’s condensed consolidated financial statements.