Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Common Share Equivalents Included from Computation of Net Loss Per Share

	Year Ended December 31,
	2017			2016
	(In thousands, except share and per share data)
Net loss available to stockholders of the company	$	(13,116	)	$	(5,655	)
Interest accumulated on preferred shares and on preferred shares contingently issuable for little or no cash		(328	)		(917	)
Net loss attributable to stockholders of preferred shares and to stockholders of preferred shares contingently issuable for little or no cash		2,666			5,631
Net loss used in the calculation of basic and diluted loss per share	$	(10,778	)	$	(941	)
Net loss per share, basic and diluted	$	(2.30	)	$	(2.46	)
Weighted-average number of common shares		4,677,610			382,747

Reconciliation of Cash, Cash Equivalents, and Restricted Cash

A reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows, is as follows (in thousands):

	Year Ended December 31,
	2017		2016
Cash and cash equivalents	$	17,233	$	1,103
Restricted cash, as part of current assets		70		14
Total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows	$	17,303	$	1,117