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Cash and cash equivalents (Tables)
 6 Months Ended
Jun. 30, 2017
Cash and cash equivalents  
Schedule of cash and cash equivalents

                                                                                                                                                                                 

                                                                                                             

 

June 30,
2017

 

December 31,
2016

 

Cash and cash equivalents:                                            

 

 

 

 

 

Cash

 

$
20,076

 

$
17,246

 

Money market accounts

 
2,245

 
2,239

 

 

 

 

 

 

 

Total cash and cash equivalents

 

$
22,321

 

$
19,485