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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Summary of Significant Accounting Policies

Schedule of stock-based compensation expense

During the three months ended March 31, 2018 and 2017, the Company recorded stock-based compensation expense for employee and non-employee stock options, which was allocated as follows in the condensed consolidated statements of operations (in thousands):

		Three Months Ended March 31,
		2018			2017
Research and development		$	173		$	200
General and administrative		306			305
Total		$	479		$	505

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

		Three Months Ended March 31,
		2018		2017
Stock options		3,775,626		2,903,497
Common stock warrants		24,566		24,566
		3,800,192		2,928,063

Schedule of reconciliation of cash, cash equivalents and restricted cash

		March 31,
		2018			2017
Cash and cash equivalents		$	17,030		$	31,795
Restricted cash		113			113
Total		$	17,143		$	31,908

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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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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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