Stockholders' Equity (Narrative) (Details) - USD ($) | Jul. 17, 2015 | Sep. 30, 2015 | Dec. 31, 2014 |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Common stock, shares issued | 9,602,500 | 52,009,716 | 43,115,790 |
Shares issued to underwriters | 1,252,500 | | |
Price per share | $ 1.96 | $ 0.001 | $ 0.001 |
Proceeds from sale of common stock, net of issuance costs | $ 17,496,000 | | |
Common stock, par value | $ 1.96 | $ 0.001 | $ 0.001 |
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 | | $ 370,000 | |
2010 Stock Incentive Plan [Member] | Restricted Stock | July 13, 2015 [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 50.00% | |
2010 Stock Incentive Plan [Member] | Restricted Stock | September 1, 2015 [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |
2010 Stock Incentive Plan [Member] | Restricted Stock | December 1, 2015 [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |
2010 Stock Incentive Plan [Member] | $2.05 [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Stock options granted | | 37,500 | |
Stock options granted, average exercise price | | $ 2.05 | |
2010 Stock Incentive Plan [Member] | $2.05 [Member] | Year One Anniversary [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |
2010 Stock Incentive Plan [Member] | $2.05 [Member] | Year Two Anniversary [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |
2010 Stock Incentive Plan [Member] | $2.05 [Member] | Year Three Anniversary [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |
2010 Stock Incentive Plan [Member] | $2.05 [Member] | Year Four Anniversary [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] | $1.95 [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] | $2.08 [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] | $1.77 [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] | $2.03 [Member] | | | |
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] | $2.03 [Member] | Year One Anniversary [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] | $2.03 [Member] | Year Two Anniversary [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] | $2.03 [Member] | Year Three Anniversary [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] | $2.03 [Member] | Year Four Anniversary [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |
2010 Stock Incentive Plan [Member] | Certain Officers [Member] | $2.03 [Member] | | | |
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] | Certain Consultants [Member] | $2.05 [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Stock options granted | | 50,000 | |
Stock options granted, average exercise price | | $ 2.05 | |
Stock options vesting period | | 24 months | |
2010 Stock Incentive Plan [Member] | Officer [Member] | $1.74 [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] | $1.74 [Member] | Year One Anniversary [Member] | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | |
Vesting percentage | | 25.00% | |