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Description of Business and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported on the consolidated balance sheets that sum to amounts reported on the consolidated statement of cash flows (in thousands):

		June 30, 2020				December 31, 2019
Cash and cash equivalents		$	63,222			$	29,906
Restricted cash			316				316
Total cash, cash equivalents, and restricted cash		$	63,538			$	30,222

Schedule of Potentially Dilutive Common Stock Equivalent Securities

The computation of basic and diluted net loss per share for the three and six months ended June 30, 2020 and 2019 excludes the common stock equivalents of the following potentially dilutive securities because their inclusion would be anti-dilutive while the Company is in a net loss position:

		Six Months Ended June 30,
		2020				2019
Vesting of restricted stock units			2,501,713				1,166,006
Employee stock purchase plan			276,154				367,792
Exercise of common stock options			13,197,927				15,512,639
Conversion of 2024 convertible notes into common stock			1,666,667				3,629,627
Conversion of Mann Group convertible note into common stock			14,000,000				21,909,541
Exercise of common stock warrants			31,851				31,856
Exercise of warrants associated with Midcap Credit Facility			1,171,614				—
Exercise of warrants associated with public offering			—				26,666,667
Total shares			32,845,926				69,284,128

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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 cash and cash equivalents restricted as to withdrawal or usage.

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