Quarterly report pursuant to Section 13 or 15(d)

11. Commitments (Tables)

11. Commitments (Tables)
9 Months Ended
Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]  
Supplemental cash flow information

Supplemental cash flow information and non-cash activity related to our operating leases are as follows:



Nine Months


September 30,

Operating cash flow information:        
Cash paid for amounts included in the measurement of lease liabilities   $ 16,629  
Non-cash activity:        
Right-of-use assets obtained in exchange for lease obligations   $ 43,330  
Supplemental balance sheet information

Supplemental balance sheet information related to our operating leases is as follows:


    Balance Sheet Classification   September 30, 2019  
Right-of-use assets   Prepaid expenses and other   $ 26,701  
Current lease liabilities   Accrued expenses and other current liabilities   $ 26,701  
Non-current lease liabilities   Other liabilities   $