Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 6 Months Ended | | |
Aug. 13, 2015 | Jun. 30, 2015 | Jul. 17, 2015 | Dec. 31, 2014 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Common stock, par value | | $ 0.001 | | $ 0.001 |
Subsequent Event | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Common stock, par value | | | $ 1.96 | |
2010 Stock Incentive Plan [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Shares available for grant | | 8,122,983 | | |
2010 Stock Incentive Plan [Member] | Restricted Stock | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Restricted shares awarded | | 181,369 | | |
Fair value of restricted shares awarded | | $ 370 | | |
2010 Stock Incentive Plan [Member] | Restricted Stock | Share-based Compensation Award, Tranche One [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Vesting percentage | | 50.00% | | |
2010 Stock Incentive Plan [Member] | Restricted Stock | Share-based Compensation Award, Tranche Two And Three [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Vesting percentage | | 25.00% | | |
2010 Stock Incentive Plan [Member] | President and Chief Executive Officer [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options granted | | 400,000 | | |
Stock options granted, average exercise price | | $ 1.95 | | |
Stock options vesting period | | 48 months | | |
2010 Stock Incentive Plan [Member] | Vermillion Officers [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options granted | | 275,000 | | |
Stock options granted, average exercise price | | $ 2.08 | | |
2010 Stock Incentive Plan [Member] | Certain Vermillion Employees [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options granted | | 45,000 | | |
Stock options granted, average exercise price | | $ 1.77 | | |
2010 Stock Incentive Plan [Member] | Other Officers And Employees [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options vesting period | | 36 months | | |
2010 Stock Incentive Plan [Member] | Other Officers And Employees [Member] | Share-based Compensation Award, Tranche One [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Vesting percentage | | 25.00% | | |
2010 Stock Incentive Plan [Member] | Other Officers And Employees [Member] | Subsequent Event | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options granted | 317,000 | | | |
Stock options granted, average exercise price | $ 2.03 | | | |
2010 Stock Incentive Plan [Member] | Other Officers And Employees [Member] | Subsequent Event | Share-based Compensation Award, Tranche One Through Four [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Vesting percentage | 25.00% | | | |
2010 Stock Incentive Plan [Member] | Certain Officers [Member] | Subsequent Event | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options granted | 400,000 | | | |
Stock options granted, average exercise price | $ 2.03 | | | |
2010 Stock Incentive Plan [Member] | Officer [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Stock options granted | | 150,000 | | |
Stock options granted, average exercise price | | $ 1.74 | | |
Stock options vesting period | | 36 months | | |
2010 Stock Incentive Plan [Member] | Officer [Member] | Share-based Compensation Award, Tranche One [Member] | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | |
Vesting percentage | | 25.00% | | |