Quarterly report pursuant to Section 13 or 15(d)

Commitments and contingencies (Details)

v3.5.0.2
Commitments and contingencies (Details)
6 Months Ended
Jun. 30, 2016
USD ($)
Officers
Purchase Commitment, Excluding Long-term Commitment [Line Items]  
Number of officers | Officers 2
Employment Contracts [Member]  
Purchase Commitment, Excluding Long-term Commitment [Line Items]  
Annual commitment amount | $ $ 655,000