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Commitments (Details)
$ in Thousands
3 Months Ended
Sep. 30, 2017
USD ($)
Mar. 31, 2017
USD ($)
employee
item
Future minimum lease payments    
Remainder of 2018 $ 1,185  
2019 1,805  
2020 1,853  
2021 1,472  
2022 1,080  
Thereafter 5,238  
Total 12,633  
Revolving loan    
Future minimum lease payments    
Maximum contractual obligation agreed upon agreement   $ 15,000
Minimum amount to be considered for conversion of loan to ownership interest   $ 7,500
Ownership interest for conversion (in percentage)   50.00%
Contractual obligation, Outstanding $ 3,500  
Number of members in the board of the entity | item   5
Number of employees in members of the board of the entity | employee   2