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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Summary of Significant Accounting Policies

Schedule of stock-based compensation expense

During the three months ended March 31, 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 March 31,
		2020			2019
Research and development		$	165		$	135
General and administrative			174			273
Total		$	339		$	408

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

		Three Months Ended March 31,
		2020		2019
Stock options		1,206,644		758,304
Common stock warrants		6,193,749		6,201,949
		7,400,393		6,960,253

Schedule of reconciliation of cash, cash equivalents and restricted cash

		March 31,
		2020			2019
Cash and cash equivalents		$	13,344		$	11,652
Restricted cash (1)			235			113
Total		$	13,579		$	11,765

(1) Included in prepaid expenses and other current assets and other assets as of March 31, 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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