7.           Balance Sheet Detail:

Accounts Receivable – From time to time, we sell accounts receivable to a financial institution on a non-recourse basis. The financial institution is responsible for all servicing of the receivables purchased. At September 30, 2018, accounts receivable includes $6.5 million of accounts receivable which have been sold to a financial institution with payment due to the Company on November 12, 2018. The receivables are recorded at their discounted fair value at September 30 ,2018.

Equipment and leasehold improvements consist of the following:

For the nine months ended September 30, 2018 and 2017, the Company recorded depreciation and amortization expense of $0.4 million and $0.4 million respectively, which is included in general and administrative expense.

Accounts receivable – long term, net consist of the following:

Accounts payable and accrued expenses consist of the following: