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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Reconciliation of Cash, Cash Equivalents and Restricted Cash
The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the unaudited condensed consolidated balance sheets to the total amounts shown in the unaudited statements of cash flows:
 
September 30,
 
December 31,
 
2018
 
2017
Cash and cash equivalents
$
15,779

 
$
22,553

Restricted cash
1,453

 
1,448

Total cash, cash equivalents and restricted cash in the consolidated statements of cash flow
$
17,232

 
$
24,001