Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Tables)

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of reconciliation of cash, cash equivalents and restricted cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the condensed consolidated statements of financial position that sum to the total of the same amounts shown in the condensed consolidated statement of cash flows (in thousands):

	March 31, 2017

Current assets
Cash and cash equivalents	$	30,113
Restricted cash		576

Total cash, cash equivalents and restricted
cash shown in the statement of cash flows	$	30,689

Schedule of computation of potentially dilutive securities

For all periods presented in this report, convertible notes, stock options, and warrants were not included in the computation of diluted net loss per share because such inclusion would have had an antidilutive effect.

	Three months ended
	March 31,
Excluded potentially dilutive securities (1):	2018		2017

Convertible note - principal		702,247		702,247
Consulting warrants to purchase common stock		—		12,500
Options to purchase common stock		561,536		892,129
Unvested restricted stock		63,600		—
Financing warrants to purchase common stock		2,340,828		2,384,464
Total potential dilutive securities		3,668,211		3,991,340

(1)

The number of shares is based on the maximum number of shares issuable on exercise or conversion of the related securities as of the period end. Such amounts have not been adjusted for the treasury stock method or weighted average outstanding calculations as required if the securities were dilutive.