Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation (Summary of Status of Company's Stock Option Activity) (Details)

v2.4.0.8
Stock-based compensation (Summary of Status of Company's Stock Option Activity) (Details) (Employee Stock Option [Member], USD $)
9 Months Ended
Sep. 30, 2014
Shares  
Outstanding at December 31, 2013 766,578
Exercised   
Cancelled, expired, or forfeited   
Outstanding at September 30, 2014 1,931,578
Exercisable at September 30, 2014 125,454
Weighted-Average Exercise Price  
Outstanding at December 31, 2013 $ 5.00
Exercised   
Cancelled, expired, or forfeited   
Outstanding at September 30, 2014 $ 5.00
Exercisable at September 30, 2014 $ 5.03
Weighted-Average Remaining Contractual Term  
Outstanding at September 30, 2014 9 years 7 months 2 days
Exercisable at September 30, 2014 9 years 7 months 2 days
Aggregate Intrinsic Value  
Outstanding at September 30, 2014 $ 103,500
Exercisable at September 30, 2014 $ 6,635
Exercise price of $6.00 per share
 
Shares  
Granted 100,000
Weighted-Average Exercise Price  
Granted $ 6.00
Exercise price of $4.85 per share
 
Shares  
Granted 790,000
Weighted-Average Exercise Price  
Granted $ 4.85
Exercise price of $5.00 per share
 
Shares  
Granted 275,000
Weighted-Average Exercise Price  
Granted $ 5.00