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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Summary of Significant Accounting Policies

Schedule of stock-based compensation expense

During the three and six months ended June 30, 2020 and 2019, the Company recorded stock-based compensation expense, which was allocated as follows in the condensed consolidated statements of operations (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
		2020			2019			2020			2019
Research and development		$	172		$	165		$	337		$	300
General and administrative			199			276			373			549
Total		$	371		$	441		$	710		$	849

Schedule of anti-dilutive common stock equivalents excluded from calculation of diluted net loss per share

		Three Months Ended June 30,				Six Months Ended June 30,
		2020		2019		2020		2019
Stock options		1,301,262		763,592		1,301,262		763,592
Common stock warrants		6,193,749		6,193,749		6,193,749		6,193,749
		7,495,011		6,957,341		7,495,011		6,957,341

Schedule of reconciliation of cash, cash equivalents and restricted cash

		June 30,
		2020			2019
Cash and cash equivalents		$	51,885		$	9,615
Restricted cash (1)			235			113
Total		$	52,120		$	9,728

(1) Included in prepaid expenses and other current assets and other assets as of June 30, 2020.

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Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

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