Rendering

Component: (Network and Table)
Network
100390 - Disclosure - Share-based Compensation - Estimated Weighted Average Grant Date Fair Value Per Share (Details)
(http://www.arcabiopharma.com/20161231/taxonomy/role/DisclosureShareBasedCompensationEstimatedWeightedAverageGrantDateFairValuePerShareDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000907654 (http://www.sec.gov/CIK)
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
 
 
Estimated weighted average grant date fair value per share
 
 
Expected term
P5Y8M12D  
P5Y9M18D  
Expected volatility
72.00%  
89.00%  
Risk-free interest rate
1.29%  
1.61%  
Expected dividend yield
0.00%  
0.00%  
Weighted-average grant date fair value per share
2.01  
3.57