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OTHER BALANCE SHEET COMPONENTS
 12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
OTHER BALANCE SHEET COMPONENTS OTHER BALANCE SHEET COMPONENTS
Property and Equipment, Net
The following table presents the components of property and equipment, net as of December 31, 2019 and 2018.
(in thousands)December 31, 2019December 31, 2018
Furniture and fixtures$265  $193  
Computer and lab equipment3,867  1,888  
Leasehold improvements1,244  1,055  
5,376  3,136  
Less: accumulated depreciation and amortization(2,648) (1,921) 
Total property and equipment, net$2,728  $1,215  
Depreciation and amortization expense was approximately $0.8 million, $0.6 million and $0.3 million for the years ended December 31, 2019, 2018 and 2017, respectively.
Accrued Expenses and Other Current Liabilities
The following table presents the components of accrued expenses and other current liabilities as of December 31, 2019 and 2018.
(in thousands)December 31, 2019December 31, 2018
Accrued clinical and nonclinical study costs$8,343  $2,168  
Accrued contract manufacturing17,343  1,676  
Accrued compensation3,367  1,565  
Accrued professional fees and other3,727  935  
Total accrued expenses and other current liabilities$32,780  $6,344