| Component: (Network and Table) | |
|---|---|
| Network | 144 - Disclosure - Other Current Assets - Schedule of Other Current Assets (Detail) (http://cancergenetics.com/taxonomy/role/DisclosureOtherCurrentAssetsScheduleOfOtherCurrentAssets)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001349929 (http://www.sec.gov/CIK) | 
| Other Current Asset [Abstract] | Period [Axis] | |
|---|---|---|
2013-12-31  | 2012-12-31  | |
Other Current Asset [Abstract]  | ||
Inventory probes  | ||
Prepaid expenses  | ||
Grants receivable  | ||
Other assets, current  | 864,616    | 489,278    |