3. Commitments and Contingencies Lease Commitments On September 1, 2014, the Company signed an operating lease for laboratory and office space at the Innovation Hub, Insight Park located on the UM campus. The lease term commenced on October 1, 2014 and expired on December 31, 2017. There is annual escalating rent provisions and two months of free rent in the agreement. The total cash payments over the life of the lease were divided by the total number of months in the lease period and the average rent was charged to expense each month during the lease period. The monthly amount charged to rent expense was $9,267. Upon expiration, the Company did not renew the laboratory lease but has retained office space under a month-to-month agreement at the rate of $300 per month. In October 2014, we signed a lease agreement for our corporate office headquarters that consists of approximately 4,087 square feet located at 650 Town Center Drive, Suite 1770, Costa Mesa, CA 92626. The lease expired on October 31, 2016 and our monthly rent was $5,373, payable in equal monthly installments with annual escalations. There was no subsequent renewal upon expiration of this lease. The Company currently maintains its principal executive offices located in a shared office suite located at 600 Anton Blvd., Suite 1100, Costa Mesa, CA, 92626 under a month-to-month agreement. In November 2015, the Company entered into an operating lease for its office and lab furnishings both in Costa Mesa and the Innovation Hub laboratory. The monthly lease payments were $7,559. In November 2017, the Company bought out the remaining portion of the lease for $32,128 which covered the remaining lease payments as well as the value of the furniture amounting to $19,654. The lab furnishings were donated to the University of Mississippi and the office furnishings were written off due to non-use for a loss on disposal of $1,650. Total net rent expense related to our operating leases for the years ended December 31, 2017 and 2016 was $253,437 and $302,419, respectiv