Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2018

Receivables [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 within the Condensed Balance Sheets that sum to the total of the same such amounts shown in the Condensed Statements of Cash Flows.

	March 31, 2018		December 31, 2017
Cash and cash equivalents	$	11,877	$	9,388
Restricted cash, long-term assets		769		769
Total cash, cash equivalents, and restricted    cash shown in the Condensed Statements    of Cash Flows	$	12,646	$	10,157