Stock-based compensation (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2016 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Stock Option Grants |
There were no options granted during 2015. During 2016, the Company granted the following options which vest over time except where noted:
Included in the above grants are the following options that vest upon the achievement of certain milestones (1) 125,000 shares and (2) 625,000 shares.
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Schedule of Assumptions Used to Estimate Fair Value of Stock Option Award Using Black-Scholes Valuation Model |
The fair value of each option grant is estimated on the date of grant using the Black-Scholes model with the following weighted-average assumptions:
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Summary of Stock Option Activity Under Stock Option and Incentive Plans |
A summary of the status of time based stock option awards and changes during the year ended December 31, 2016 are presented below:
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Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity |
A summary of the status of restricted stock awards and changes during the year ended December 31, 2016 are presented below:
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